While Brackenreid remains at-large, Murdoch and the Constabulary confront more violence on the waterfront in their quest to bring Brackenreid’s attackers to justice, while Dr. Ogden and Dr. Grace face their own battle in court.
During their honeymoon in New York, Murdoch and Ogden uncover a deadly conspiracy threatening U.S. President Teddy Roosevelt, while Brackenreid and Dr. Grace investigate a murder by motorcar back in Toronto.
Murdoch's investigation into a lawyer's murder is complicated by a group of his admirers, while Ogden's frustration with the lack of progress for the suffragette movement leads her to consider political office.
The murder of a young woman while praying at her parents' grave and the subsequent disappearance of the priest she had last contact with brings together Murdoch with the priest who raised him in childhood.
Murdoch investigates a murder that involves national security and the return of Agent Terrence Meyers. Meanwhile Julia, Grace and the other ladies of the suffragettes try to vote on election day, but have a hard time doing so.
The constabulary investigates what they believe is a "sequential killer" that Murdoch discovers is a macabre form of gambling. The leaders then turn their attention to Murdoch. Crabtree is preoccupied with the physical abuse sustained by his Edna Brooks at the hands of her recently returned husband.