Plot Synopsis

SEX & MURDER is a one-hour docuseries that follows detectives as they uncover dirty secrets, scandalous sex affairs, online sex addictions, dangerous jealousy, and stunning twisted fantasies, which have all led to murder -- because sex and murder are often tied together in criminal investigations. The six-episode first season includes these episodes:

"Date with the Devil" (Monday, March 16, 2020): Recently divorced mom-of-three Ingrid Lyne dips her toes back into the dating scene and meets a man online. But her date at a baseball game would be her last. The next day, Seattle residents and investigators are shocked by one of the most chilling crime scenes ever seen.

"Mommy's Dirty Deeds" (Monday, March 23, 2020): Mike Williams mysteriously disappears on his wedding anniversary, and it looks like he may have been eaten by alligators. But looks can be deceiving. A break in the case reveals the married family man's life wasn't quite what he thought.

"Mom's Deadly Secret" (Monday, March 30, 2020): When Colorado soccer mom Paige Birgfeld suddenly vanishes, a small town is left on edge. As cops start to dig for clues, they make a shocking discovery, this devoted mom was living a secret double life.

"Killer Affair" (Monday, April 6, 2020): Days after a pregnant elementary school teacher disappears, her boyfriend goes in front of TV cameras and tearfully pleads for her return. But investigators soon discover the grieving boyfriend may have had more than one reason to cry.

"Sugar Daddy Death" (Monday, April 13, 2020): A married Google executive is found dead on his luxury yacht, those close to him are left baffled when the autopsy results are released. The only clue into Forrest Hayes' death is a sexy woman seen on the boat's surveillance. What does she know?

"The Pastor's Secrets" (Monday, April 20, 2020): Churchgoers knew something was up when pastor Matthew Winkler didn't show up for services. After he's found dead on his bedroom floor, twisted sex fantasies and dark family secrets start to surface.



The sophomore season of SEX & MURDER premiered on Sunday, August 29, 2021 at 10pm ET/PT on HLN. Detectives uncover dirty secrets, scandalous sex affairs, online sex addictions, jealousy and stunning twisted fantasies when looking for motives for murder. Episodes for the new season include:

"Dirty Office Affair" (Sunday, August 29, 2021): Emmett Corrigan -- a successful lawyer, Mormon family man and father of five -- was shot down in cold blood at a Walgreens parking lot. But a closer look reveals a dirty office affair that turned into a dangerous game of Russian roulette.

"Killer Sex Party" (September 5, 2021): A tattoo shop owner, Dennis Abrahamsen, was found brutally murdered, naked on a massage table in his home. Evidence tells a story of a wild sex party gone wrong with a famous adult actress, Amanda Logue.

"Storm of Lies" (September 12, 2021): A beautiful mom of two, Crystal McDowell, vanishes as Hurricane Harvey rocks Houston, Texas. Surveillance video leads investigators to her twisted killer.

"Dead in the Deep End" (September 19, 2021): Adam Frasch, and a former model, Samira Frasch, were living a life of extravagance with multiple homes and high-end cars until tragedy struck. The mother of two was found dead at the bottom of her swimming pool and both her children missing from the home.

"Chilling Cover-up" (September 26, 2021): Beautiful aspiring cosmetologist Shannon Graves is found dismembered in a padlocked freezer. But when another woman is spotted driving her car and going into her apartment, detectives discover a chilling cover-up.

"Fatal Ambush" (October 3, 2021): Successful doctor and mom of two, Teresa Sievers, is found bludgeoned to death in her kitchen after returning home from a family vacation. Forensics and surveillance video lead investigators across state lines to shocking evidence.



Season 3 of SEX & MURDER debuted on Sunday, April 24, 2022 at 10pm ET/PT on HLN. The six-episode new season takes a deep dive into a new set of criminal cases through extensive interviews with investigators, reporters and family members and features never-before-seen interrogation footage and evidence video. Episodes include:

"Code Name: Mr. Handcuffs" (Sunday, April 24, 2022; 2-hour episode): The bodies of two young women found dead in suitcases on the side of the road led investigators to a former police officer, Steven Zelich, whose double life and stunning confession shock everyone.

"Family Love Triangle" (Sunday, May 1, 2022): A 41-year-old mother of three was brutally stabbed nearly 200 times in front of her two youngest children. Investigators reveal a sick and twisted motive behind the deadly rampage, and her daughter who witnessed the attack speaks for the first time.

"The Two Matthews" (Sunday, May 8, 2022): Newlywed Lauren Phelps was stabbed 123 times as she fought for her life. Could her killer blame his deadly rampage on cold medicine?

"Cleanup Gone Wrong" (Sunday, May 15, 2022): A 51-year-old mother, Gretchen Anthony, goes missing from her Florida home. Stunning surveillance video in and around the house tells a twisted tale of her final hours.

"Deadly Breakfast Date" (Sunday, May 22, 2022): A romantic and scenic early morning boat ride turns deadly when Larry Isenberg falls overboard. But investigators reveal the disappearance of half a million dollars could be motive for murder.

"Murder on the Farm" (Sunday, May 29, 2022; season finale): A 24-year-old, Alex Woodworth, was brutally stabbed 16 times and left for dead hanging halfway out of the killer's car. But as investigators peel back the layers it is revealed that the killer's many lovers is motive for murder.
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SEX & MURDER returned for its fourth season on Saturday, June 3, 2023 at 10pm ET/PT on Investigation Discovery. Episodes in the new season include:

"Nightmare on Skinner Lane" (Saturday, June 3, 2023): A routine purchase may lead police to the killer of Laura Ackerson, a young mother whose body parts surface in an alligator-infested creek 1,200 miles away from where she was last seen.

"Bite of Evidence" (Saturday, June 10, 2023): Police find Jenny Webb hanging in an apparent suicide just days from giving birth to her first child; when things don't add up, investigators wonder if an unraveling love triangle and an unexpected pregnancy acted as a motive for murder.

"Cocktail Waitress Killer" (Saturday, June 17, 2023): An 8-year-old girl discovers her mother brutally bludgeoned to death in her home after her mom's shift at a Vegas casino; police turn to surveillance video hoping to reveal the killers.