Argumentative parents and a misbehaving baby make Soon-jae's family photo nearly impossible to take. Meanwhile, Min-jeong begins her teaching career at Poong-pa High school. Due to a pair of odd brothers, her first day isn't as easy she had hoped.
Min-Young and Shin-Ji are getting a divorce. Furious about it, Soon-Jae takes the baby away. Meanwhile, Yoon-Ho borrows a motorcycle, from a friend, and threatens to kill Min-Ho if he tells their parents.
Soon-Jae is a doctor working alongside his other daughter-in-law, Park Hae-Mi. But with all of the patients going to her now, Soon-Jae feels he is losing his touch. Meanwhile, Min-Young and Min-Jeong have suddenly become roommates!
Soon-Jae's wife, Nah Moon-Hee, is getting annoyed with Hae-Mi, and her best friend, Suna, is missing. Also, Min-Ho meets the girl of his dreams, Kang Yoo-Mi, but he's afraid that Yoon-Ho, the chick magnet that he is, will steal her away.
The Lee boys have all made Soon-Jae furious yet again. Thanks to Min-Jeong, word has spread about Min-Young and Shin-Ji's divorce. Also, Shin-Ji falls for a Russian, but there's ONE flaw she can't overlook.
Moon-Hee finally stands up to Hae-Mi about the hurtful things that she does. Min-Jung is losing control over her class. Meanwhile, Shin-Ji's wallet gets stolen.
Min-Ho and Bum receive awards from the school for saving their fellow students from a fire. When Hae-Mi clogs the toilet, Moon-Hee sees this as a chance to embarrass her.
Jun-Ha and Hae-Mi decide to take Soon-Jae and Moon-Hee to Anmyun Island for their wedding anniversary. Min-Jeong realizes that she's a pushover, especially when it comes to Yoon-Ho.
Soon-jae has a texting battle with one of his elementary school patients. Min-ho believes that he and Yoo-mi are now boyfriend and girlfriend. Hae-mi and Jun-ha try to get to know Yoo-mi's parents.
Mun Hee disapproves of the bossy treatment Min Yong gets from Shin Ji and decides to take things into her own hands. Hae Mi and Min Ho's good relationship becomes strained when his mother finds out Min Ho has a girlfriend.
Hae Mi tells Joon Ha she will buy him a car if he loses weight. Soon Jae and Hae Mi get in a car accident that results in a furious Soon Jae demending payment from the other party. Min Yong helps Shin Ji to find work at his school.
Soon Jae gets caught by Mun Hee when he goes out to meet with past love interest Kyeong Hwa. Rumors spread that Min Jung is dating student Yoon Ho and privately tutoring Min Ho.
Joon Ha and Hae Mi see Yoo Mi helping her mother walk and Joon Ha offers to carry her on her back. The situation results in an embarrassing accident that leaves Hae Mi questioning her marriage. A drunk Min Yong is spotted by Min Jung in Shin Ji's apartment.
When Joon Ha tries to give Soon Jae stock advice on his computer Soon Jae finds something strange. Yoon Ho thinks there is a tie between the vanishing of Kaesung Daek and the lost necklace in Yoo Mi's house.
The family is surprised to discover Yoo Mi's father is a murder suspect leading Min Ho to fear Yoo Mi. Soon Jae's friend Dae Guen visits only to embarrass him resulting in an attempt on Soon Jae's part to turn the tables.
As Shin Ji departs for Russia Min Yong pursues her. Mun Hee loathes an upcoming visit from Soon Jae's sister Kyeong Ae. She fears she will share a story that Mun Hee would rather have kept private.
Tensions rise between Min Yong and Mun Hee when he becomes frustrated by her rude behavior. He concocts a plan to make his mother treat him more politely. The case of Kaesung Daek grows more mysterious when Mun Hee sees someone who appears to be her through the window.
Soon Jae takes advantage of Joon Ha to test out instant noodles with powdered pepper amongst other things. Min Jung falls for Min Yong finding his awkward dancing and singing skills strangely attractive.
After their mother refuses, Min Ho and Yoon Ho attempt to take advantage of Soon Jae's ignorance of technology to get a new computer. Tension sets in when Mun Hee and Shin Ji run into Hae Mi at the market.
After not drinking at his end of the year college party at his family's behest, Joon-ha enters a beer-drinking contest at the local pub. Shin Ji sleeps through her recording session, and much to her chagrin the staff implores her to leave.
When Hae-mi shows Soon-jae a newspaper article written in English, he pretends that he can read it to avoid being humiliated. At school, Yoo-mi tells Min-ho that Los Angeles is the capital of the United States.
When Mun-hee needs money, she turns to Hae-mi for help, but when Hae-mi asks too many questions, she ends up stealing the money from Soon-jee. The incident causes multiple problems including a false accusation.
A tired Mun-hee attempts to make good meals for her family, only resulting in criticism from Soon-jae and Joon-ha. When Yoon-ha will not stop riding his motorcycle, Min-jeong tries to teach him a lesson.
When Joon-ha asks Nurse Yo to go to a movie, Mun-hee becomes worried, remembering something that had happened previously. Yoo-mi is invited to a party, and when she is asked to bring her boyfriend, she is embarrassed by Min-ho's height.
Min-yong is sick at home and Min-jeong goes to visit him because she is worried about his health. In the meantime Soon-jae and his family, Beom and Yoo-mi along with nurses from the clinic take a trip to a rural area.
Joon-ha becomes angry after Min-yung loses in a video game he was playing, leading him to seek revenge. Later, when Shin Ji misses an audition, she turns to a friend to ask for help.
When Hae-mi asks Soon-jae to be Santa Claus at a school the clinic is friends with, he accepts against his better judgement. Later, Min-yong tries to ask Shin Jo to go out on a date with him.
Mun-hee pays Mrs. Kaesung-daek in jail, and finds that her friend may be hiding a secret. When Min-jeung becomes concerned that she will lose Min-yong to Shin Ji, her students realize her affections.
When Hae-mi tells Mun-hee that she will be able to use her car, she is surprised to find the conditions that accompany the privileged. Later, Min-jeong sprains her neck and goes to Soon-jae for treatment.
When Mun-Hee tires of doing Joon-ee's house work, she decides to move in with her parents. Hae-Minn quickly tries to enlist the help of the rest of the family, but nothing gets done. In the meantime, a sudden snow storm traps Soon-jae and Min-yong at their motel.
When Jonn-ha has a medical examination that requires him to fast for twelve hours, he discovers that it is harder than he thought. Trying to help, Mun-hee decides to give him a poster showing all the time that food has adversely affected his life.
Wanting to go on a ski trip, Yoon-ho attempts to get money from Min-Ho. After Min-Ho refuses, Yoon-ho discovers that he may be able to get certificates from somewhere else. Later, it is discovered that Shin Ji has an admirer.
When Hae-mi becomes concerned over Yoon-ho's behavior, she recruits Min-jeong to help talk to him. Desperately wanting a mink coat, Mun-hee goes behind Soon-jae's back to purchase one for an upcoming party.
Desperate for money, Shin Ji tries to negotiate her contract fees and avoid expensive dates with Yeong-min. At the sames time, Hae-mi tries to talk to Mun-hee about Min-ho and and Yoo-mi's relationship.
When a stock company deal goes wrong, Joon-ha becomes depressed and lethargic, so Hae-mi attempts to cheer him up. At a broadcasting festival, Min-jeong is given an embarrassing fluffy rabbit costume to wear.
Joon Ha's friend Chang Dong recommends him for a job but when Joon Ha waits for the call it never seems to come. Min Yong invites Min Jung on a trip to a small island where Min Jung thinks he will propose to her.
Mun Hee gets hit on by a classmate in yoga class causing Soon Jae to get jealous. Yoon Ho earns the status of hero when he helps a group of girls from his school being harassed by students from another school.
Mun Hee is worried about Joon Ha always getting into trouble so she goes to a shaman. The shaman informs her that an exorcism is needed. Min Jung's excitement turns to disappointment when Min Yong cancels a date.
The family members are frustrated and disgusted by Joon Ha's constant farting, but Mun Hee fears that there is something wrong. Min ho gets hurt and requires assistance from Yoon Ho who asks for money in return.
Soon Jae reminisces on teasing a young Mun Hee, but his antics are no longer appreciated when performed on the present Mun Hee. Min Yong develops a plot to sell tickets for Min Jung's school-play.
Soon Jae buys an antique porcelain from an old friend, but an unknown culprit breaks it. An angry Soon Jae seeks penance and hunts them down. Shin Ji has a date with Young Min.
Hae Mi makes fun of Min Yong for going out with Min Jung, and his subsequent anger upsets her. By taking a call not meant for him Soon Jae is going to appear on a morning television show and insists to his friends that he will be famous.
Hae Mi asks Mun Hee to perform a variety of errands for her from laundry to picking up the car. Min Jung and Min Young go on a date to the theater where an off-handed comment by Min Jung worries Min Young.
Soon Jae finds s drunk Shin Ji on the street but when he arranges a meeting with Kyeong Ae Shin Ji stands in his way. Hae Mi passes out and Joon Ha takes her to the hospital.