“Wanted dead or alive for the murder of… William Donovan!”

Problems beset the Doctor and Evelyn Smythe as they travel by train to the Wild West town of Fortune. A young woman is investigating the murder of her father nine years earlier, and a wanted poster indicates that the Doctor is the killer!

With the TARDIS lost to them and the law on their tail, can the travellers unravel the mystery – or will Rachel Ann Donovan take her revenge first?