A delirious prisoner on death row tells Dr Lucien Blake he is innocent of the police shooting for which he is soon to hang. Dr Blake pulls out all stops to uncover the truth.

The death of a migrant factory foreman initially looks like an industrial accident. Dr Blake digs deeper revealing a hideous string of crimes and the ugly side of post war Australia. Meanwhile, Jean receives a marriage proposal.

The suicide of the local hospital’s first female doctor shocks the community. Dr Blake suspects foul play and sets out to find the murderer amongst the staff and board of the hospital.

Meanwhile, another letter from Singapore arrives for Lucien. It takes him days to work up the courage to open it. His reaction to the news about his missing wife and daughter shocks Jean, Mattie and Danny.

Doctor Lucien Blake returns from a trip to Chine seeking news of his daughter but he arrives back in Ballarat to find himself once again deep in a murder mystery involving the local Town Council.