A glamorous older woman, who claims to be a witch named Baba Yaga, almost hits Valentina with her car, and later lures her to her villa, where she intends to keep her in her thrall.
A woman begs Valentina to store an ancient cello, which is sought by an old man convinced it holds otherworldly secrets discovered by Niccolò Paganini. Valentina also crosses paths with a Bruno, a young cellist.
After Valentina supervises a Jack the Ripper-themed photo shoot, a series of Ripper-style murders occur, and she wonders if Bruno the cellist, whom she has been dating on the side, may be the killer.
While vacationing in the French countryside, Valentina makes the acquaintance of Effi, a young heiress who is later kidnapped, and a shy mute artist, who may know who kidnapped her and why.
After Valentina rescues Effi from her abduction, she takes the young girl to stay with her in the city. However, a series of phone calls leads Effi to believe she is being stalked. Meanwhile, Bruno returns to perform a concert.
Valentina conducts a photo shoot in a French castle, where her host describes his bedridden uncle asking to be surrounded by butterflies to enjoy "the spectacle of death." She finds one of them may be a Bluebeard-style serial murderer.
Alone in Barcelona, Valentina's camera is stolen by a homeless boy who uses it to photograph a man dying from an accident. When the photo is published, she discovers a whole cult devoted to capturing last moments of life on film.
While vacationing in Spain, Valentina and Phil meet Marianna, a strange-behaving girl who is actually a robot sent by aliens for sinister purposes. However, her interactions with the couple spur impulses that impede her mission.
While Valentina goes on assignment, Phil acquires from a mysterious street vendor a set of 8 cubes allegedly sculpted by Rembrandt. Several witches proceed to stalk and tempt him, hoping to obtain the cubes.
A razor-wielding slasher is on a spree, and as all the victims have a connection to Valentina, she is the police's prime suspect. Philip has psychic visions suggesting these events are tied to an incident from her past.
On a weekend trip to Rome, Valentina and Phil witness multiple deaths caused by ancient marble statues falling from rooftops upon sightseers. Phil believes it may be connected to an incident from his childhood.
Valentina is entrusted with a collection of Mayan jewels for a photo shoot, but one of the models steals a breastplate by switching it with a fake. In pursuit of recovering the artifact, she learns about the mastermind behind the theft.
Valentina is kidnapped by criminals connected to someone from her recent past, while Phil tries using his psychic bond with her to find where she is being held captive.