TV series
A maverick Irish cop takes on the LONDON Crime World
Detective Sergeant Tommy Murphy is a maverick cop with a dark past. After failing a psychiatric assessment, he's given one last chance by his boss and given a dangerous undercover assignment. A loner with little to lose and dealing with everything on his own terms, this time around, however, Murphy has an ally in Detective Inspector Annie Guthrie.
Availability
Murphy's Law premiered September 24, 2001. We don't have a confirmed streaming, rental or purchase option yet.
Detective Sergeant Tommy Murphy is a maverick cop with a dark past. After failing a psychiatric assessment, he's given one last chance by his boss and given a dangerous undercover assignment. A loner with little to lose and dealing with everything on his own terms, this time around, however, Murphy has an ally in Detective Inspector Annie Guthrie.
Choose an episode, then use the watch options above for the show.
Episode 1
A team of undertakers moonlight as diamond thieves, and the bodies are stacking up. Detective Sergeant Tommy Murphy goes undercover and discovers a nefarious connection with Japanese heroin dealers. Meanwhile, team leader Hatcher plans the most audacious heist yet. Murphy has to hold his nerve in an epic final showdown.
Directed by Peter LydonWritten by Colin BatemanGuest stars Mark Benton, Vincent Regan, David Bradley
Episode 2
Richard Mooney, London's most infamous kidnapper, is brought in, and the race is on for Murphy and Guthrie to get a confession in time to save his latest victim, Kate Jennings. To crack Mooney’s silence, Murphy is set up as a suspected terrorist and goes undercover into Bellview to befriend him. But when this master plan is unexpectedly threatened by the prison's very own protection racket, time seems to be running out for Kate.
Directed by Peter LydonWritten by Colin BatemanGuest stars Del Synnott, Mark Benton, Kevin Doyle, Elisabeth Dermot Walsh, Timothy Carlton, Pauline Munro, Sally Rogers, Matt Andrews
Episode 3
When world-famous Irish snooker player Mickey Munday comes under pressure to rig the outcome of his game in the forthcoming championships, Murphy and Guthrie go undercover to protect his life and find the culprit when he arrives in London. The stakes are raised for Munday when his long-lost love and daughter reappear in his life.
Directed by Peter LydonWritten by Colin BatemanGuest stars Del Synnott, Adrian Dunbar, Jonjo O'Neill, Ian McElhinney, Lloyd Hutchinson, Cliff McClune, Mhairi Morrison, Stuart Dunne
Episode 4
In the glittering world of the West End club scene, the head of security of a well-known East End gang is found murdered. Prime suspect: gang leader Carl Tate. In order to prevent another 'door wars', Murphy joins Tate's gang undercover, but when warfare escalates, Guthrie is compelled to join ranks on the doors of Tate's latest venture, X-Club.
Directed by Maurice PhillipsWritten by Phil CharlesGuest stars Del Synnott, Stuart Laing, Neil Stuke, Sarah Rutherford, Justin Salinger, Anthony Warren, Jay Simpson, Bradley Farmer
Episode 5
Following a bungled attempt to close down an elaborate Russian crime-ring, Murphy and Guthrie find themselves embroiled in what appears to be a textbook crime of passion. An unknown blonde is busy murdering London's successful businesspeople. The only link is that all the victims are members of a state-of-the-art health club in the heart of the City.
Directed by Menhaj HudaWritten by Scott CherryGuest stars Del Synnott, Victor Gardener, Glynis Barber, Paul Brightwell, Ben Pullen, Mikhail Gorevoy, Helen Latham, Ray Stevenson
Episode information updated Sep 21, 2026
Available now in United States
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James NesbittDS Tommy Murphy
Del SynnottDC Alan Carter
Liam CunninghamDrew Johnstone
Andrea LoweDC Kim Goodall
Claudia HarrisonDI Annie Guthrie
Francis MageeDCS Warren
Jessica OyelowoDC Jackie Cole
Owen TealePaul Allison
BBC OneUnited Kingdom
Tiger AspectUnited Kingdom
Element PicturesIreland
