The Bill: Deadly Secrets

SINOPSIS

When elderly Rose Harrison, who suffers from Alzheimer's, goes missing with her baby great-granddaughter, Will takes on his first case as Family Liaison Officer. He questions the child's father and discovers that he was the mother's teacher when she became pregnant. Elsewhere, Phil arranges an undercover operation when Louis Dreyfuss' wife Monica claims that she's being blackmailed about her past.