Rosemary's son makes a surprise return visit to the valley-with his new wife, who as Rosemary soon learns, is unaware that he suffers from schizophrenia. Tom is emotionally thrown when he learns his ex-wife has had a child, causing him the realisaton that her claim to not wanting children was not true-she just didn't want them with him. Billy sneaks a sick friend's pet echidna into the hospital. When Tom, Anna, Kate, and Harry go camping, Harry accuses Tom of stealing his knife and Tom must somehow find a plausible way to explain to Harry how a bird came swooping down out of the sky and stole it. Darcy sells Hugo's land to Budgie.