Based on novels by Maureen Jennings, `Murdoch Mysteries' follows young detective William Murdoch. In a series of stories taking place in Toronto during the 1890s, several challenging murder cases arise. Murdoch uses up-and-coming forensics techniques and an unconventional approach, which often elicit skepticism from his fellow officers and his boss. Coroner Julia Ogden becomes Murdoch's number one ally, and they make a top-notch team, but he struggles against tradition and prejudice to solve some of the city's most gruesome murders.
Crabtree's first task as the newly-appointed Inspector is finding Murdoch and Ogden, who have been abducted.
While conflicted about exonerating a murderer to save their daughter, Murdoch and Ogden abduct a socialite so they can face justice.
When Murdoch examines a victim found bludgeoned on a ship, he learns the man was the prime suspect in the recent theft of the Mona Lisa from the Louvre in Paris.
Brackenreid's rowdy bachelor party for new Constable Tucker takes a violent turn when a drunk patron of the ribald oyster bar is found dead in a barrel.
Murdoch and the others descend into a house of horrors after making wishes with a malevolent mechanical fortune teller at a street fair.
Ogden, Watts and Effie attend a health retreat run by a flamboyant and charismatic leader where a fellow guest dies mysteriously.
When a champion racehorse is found dead in his stall at the Rosedale Stables, Murdoch and Brackenreid investigate the other horse owners and trainers - including Violet Hart.
A seemingly serene getaway takes a terrifying turn when Ogden, Hart, Effie and Louise Cherry encounter a group of young girls being pursued by a murderous madman.
Murdoch investigates the murder of a slum landlord whose body was found in Santa's toy sack at a department store Christmas parade.
Murdoch investigates the shooting of Nathaniel Marston, a construction company owner killed at a barbershop.
Murdoch and Brackenreid compete in the caber toss and hammer throw at the Scottish Highland Games, but still make time to investigate the murder of a sword dancer.
Ogden and Margaret attend a psychic and fortune-telling fair, and when a body is found in an alley with the death tarot card, Murdoch is convinced there's a link.
When Crabtree journeys north to intercept his fugitive father, he finds a dead policeman and community of scallywags.
When Murdoch investigates the bizarre death of a science professor, it appears the weapon may have been a swarm of bees.
Murdoch and Watts go on a treasure hunt to find stolen Incan gold and a murderer. Author Margaret Atwood makes a guest appearance.
Murdoch investigates man's death at a lively revival meeting run by a charismatic preacher.
When a former employee of political candidate Robert Borden is found murdered, Murdoch discovers a briefcase with a false bottom stuffed with incriminating documents.
When Murdoch investigates a murder near a graveyard, witness accounts suggest the killer was a bloody female apparition.
Ogden leads Louise Cherry and wealthy donor Harold Warrington on a tour of the new women's hospital, but when a noxious smell is noted, a young nurse drops dead.
As Murdoch investigates the death of Gustav Bohl, an up-and-coming young composer, Brackenreid decides his new hobby is playing the cello.
Crabtree and Watts investigate the brutal stabbing of a woman in a university dormitory.
In a special musical episode, Murdoch takes a bullet to the back of the head and slips into a coma where everyone in his world bursts into song.
After a lively evening on the Starbright Lounge dance floor erupts into a fight, a man is found dead. On arrival, Murdoch learns that a man struck the victim and fled.
Murdoch attends a party thrown by a prominent scientist, who collapses and dies. Later, the body goes missing and a note suggests he may have faked his death.