Murdoch struggles to work with the new coroner and clashes openly when a cement block found near the water contains the remains of not one but three men.
Members of a squad of Canadian soldiers who recently were deployed to South Africa are stricken with a mysterious illness and others are being murdered.
Ignoring a puzzling break-in at Station 4, Murdoch travels to Buffalo to help Dr. Ogden solve the suspicious death of a young cancer patient at a children's hospital.
Dark secrets surface at the Jenkins household when Murdoch questions the family and servants of murdered patriarch Percival Jenkins.
A flamboyant Parisian detective arrives in Toronto and insinuates himself into the disappearance of a French woman visiting her married sister.
Murdoch comes across a made-to-scale diorama of a cul-de-sac Toronto street replete with miniature residents and discovers evidence that at murder took place there.
Murdoch and Crabtree investigate when a body is uncovered by workmen. The remains date from perhaps the mid-1860s.
A telephone operator with ambitions to be a detective believes she's heard a woman strangled on an open line but Inspector Brackenreid is reluctant to believe her.
While investigating a lethal gunshot on a trolley that no one seems to have heard, Mudoch finds that the disappearance his old girlfriend Anna Fulford may be linked.
When a convent tries to bury one of its most venerated members in the churchyard, another body is found in the plot. Murdoch is reunited with his sister.
The murder of a young student a an exclusive girls' school leads Murdoch to conclude that someone posing as a vampire is preying on several of the young girls.
A Robin Hood-like bank robber with a flair for style kisses pretty female bank employees before donating the money he steals to a local orphanage.
A man is found murdered at a Lewis Carroll-themed costume party. All clues point to the guest dressed as the Mad Hatter.