Miss Fisher's Murder Mysteries (2012)

S1E2 Murder on the Ballarat Train

Phryne Fisher, the elegant private detective, sets off for the countryside with her loyal maid, Dot, to pick up her new Hispano-Suiza car. However, the allure of train travel quickly fades when Phryne finds herself wielding her beloved pearl-handled pistol to rescue a young woman and investigate the mysterious vanishing of another passenger's mother. After a shocking murder disrupts her journey, Phryne races back to her St Kilda home in her Hispano-Suiza, piecing together the evidence until she uncovers the identity of the unsuspecting killer.