Set in Melbourne in 1928, the lady detective Miss Phryne Fisher is asked for help twice. A woman asks her to talk to her son as she thinks that he will kill his father. Phryne decides to talk to this young man but the situation becomes complicated when the father appears dead the day after the conversation with Phryne. In the second plot, a friend asks Phryne to help some friends of his, whose young daughter has been kidnapped. Phryne will use her skills as driver and pilot to solve these cases.