Murdoch suspects John is being framed for murder by Inspector McWorthy and Brackenreid goes after the corrupt copper.
As Murdoch seeks a promotion, a constable is shot in a botched raid on an opium den led by Watts.
The shooting of a man in a burlesque club sends Murdoch and Brackenreid to Buffalo, New York to investigate. Meanwhile, Crabtree becomes close to one of the dancers.