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.
Doctor Lucien Blake returns from a trip to China 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.