Diabolical

Season 1

TV-14
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wiles to manipulate us, seduce us and try to get away with murder.

Where to Watch Diabolical • Season 1

10 Episodes

  • Mistress Roulette
    E1
    Mistress RouletteMarried family man Dr. Adam Frasch has a booming practice, and he loves to spend money on houses, automobiles, and exotic dancers; ultimately, the doctor will reap what he sows in deceit and jealousy.
  • Lying for Love
    E2
    Lying for LoveTemptress Cathy Cousin moves in next door to devoted family man Tim Koile, wrapping him around her finger and convincing him to satisfy her every whim no matter how diabolical.
  • Til' Death Do We Part
    E3
    Til' Death Do We PartMarried right after graduating high school, Lyle and Carol Kopenkoskey are the couple that other couples want to be like. 40+ years of marriage later, add an old friend to the mix, a healthy dose of passion and jealousy, heat it up, and..
  • Who Lies Beneath
    E4
    Who Lies BeneathMichelle Donohue wants a loving and well off family of her own. She burns through good men, valuing wealth more than love. But when she finally meets Mr. Right, she gets a taste of her own medicine, sending her down a path of murder.
  • Best of Friends
    E5
    Best of FriendsAfter sneaking out of his parent's Garden Grove, CA house for a secret late-night party, 19-year-old Jose Najera returns home to find both parents dead on their bedroom floor. Is it a random killing or a robbery gone wrong? The truth is more diabolical
  • Mother of All Murders
    E6
    Mother of All MurdersPennsylvania native Janet Lynn Mickey's greatest dream is to start her own family. So, when she marries college football-star Darrell Tyburski her future seems secure. But when the couple has children, plans change leading them down the darkest path.
  • Family or Foe
    E7
    Family or FoeTerror strikes during a young family's evening stroll in La Mirada, California; nothing seems to add up during the criminal investigation; with the truth taking years to emerge.
  • Accident Waiting to Happen
    E8
    Accident Waiting to HappenRainey Morin meets a man whose kind veneer hides a dark history.
  • Weeping Widow
    E9
    Weeping WidowAfter losing herhusband in a tragic accident, God-fearing Cindy McKay claims she's had to bend the law to pay off his illicit debts. But authorities soon realize she's a criminal mastermind. Can police track her down before she claims her next victim?
  • Living Off the Dead
    E10
    Living Off the DeadGeorge Kalomeris is a family man who looks after the less fortunate in his community. But after a dying man fingers George as the gunman, police discovera monster more diabolical than anyone could ever imagine possible. ...and he's not acting alone.

 

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