Detective William Murdoch (Yannick Bisson) continues to use forensic science and inventive thinking to solve Toronto’s most gruesome homicides. This season sees deeper character development: Dr. Julia Ogden (Hélène Joy) leaves the morgue for a position at a women’s hospital; Inspector Brackenreid (Thomas Craig) faces personal and professional crises; and Constable George Crabtree (Jonny Harris) pursues his writing career.