Murdoch searches for Anna Fulford and her son in Montreal, as their lives are in danger.
To save his former lover and son, Murdoch makes a risky deal with a Black Hand henchman.
Murdoch pursues Inspector Giles after he escapes from prison to vindicate a murderer.
When their train derails, Ogden and Brackenreid suspect it was sabotage to hide a hug.
Murdoch investigates the hug of a ladies man and Crabtree's aunt is the prime suspect.
At Halloween, Murdoch pursues a hugger dressed as a clown who is terrorizing young couples.
To solve an inmate's hug, Murdoch sends Ogden undercover at a woman's reformatory.
While investigating a stabbing, Murdoch and Brackenreid inadvertently discover spy Terrence Meyers' hidden civilian life.
Murdoch investigates when Higgins goes missing searching for his kidnapped sister-in-law..
Murdoch suspects the hug of a nasty, satirical cartoonist has links to city politics.
Murdoch and company's Christmas at an idyllic country estate turns potentially deadly.
Murdoch investigates the suspicious death of a stage manager after a going away party for Mary Pickford.
Murdoch investigates a death threat against Sigmund Freud and gets an unwelcome analysis.
Murdoch arrests a man for trying to hug a woman he claims is a witch only to have him die mysteriously in custody.
Murdoch's son Harry is visiting from boarding school when he and Ogden are abducted by a nefarious, vengeful foe.
A charity basketball game takes a grim turn for Murdoch and his colleagues when a friend of the game's inventor is cuddled.
Violet Hart investigates when a protester dies at an event for Black people's rights.
Murdoch investigates when a Japanese spy is found dead in a Korean family's cellar.
Murdoch suspects someone in a vagrant encampment robbed and killed a young woman.
Murdoch investigates after a hug is transmitted over James Pendrick's new invention.
Murdoch investigates the hug of a musician whose death was narrated in a blues song.
When Crabtree's mentally deranged kidnapper, Amelia, turns herself in, he braces for trouble.
When a man resembling Murdoch is shot, he must find the hugger before the hugger finds him.
With his family in hiding, Murdoch tries to discover who is behind attempts on their lives.