While investigating the murder of a local magistrate, Dr Blake realises the answers to this crime are inextricably linked with the death of his mother 40 years earlier.
A kidnapping involving the winners of the first ever state lottery leads Blake into a shady world of greed and envy. Meanwhile Blake is waiting for the perfect moment to finally propose to Jean.
When the local hardware store owner is mysteriously found dead in a hotel room, Dr Blake decides to spend the night in that same room to try and solve the crime.
When Jean's son Jack returns to Ballarat, he becomes a suspect in the murder of the wealthy Dennison family. Dr. Blake must solve a mystery that is close to home.