Roberto makes a pact with the devil to please his multiple lovers sexually, Satan accepts the deal but promises to snatch his soul when he finds true love. Meanwhile, two cops are on the lookout for those responsible of a murderous drug on the streets.

Like trying to decipher the value of a book without ever opening it, judging a person by his or her outward appearance can be a mistake. Someone may look perfect on the outside, but even the most kind-hearted soul has a dark side looming. "Diabolical" is a docuseries that delves into the minds of murderers, asking a simple question: "Why did they do it?" The acts were committed with extreme premeditation -- many were months or even years in the making. Tension builds in each episode as law enforcement taps into the methods of devious masterminds, aided by insights from forensic psychologists and psychiatrists as well as criminal profilers.

Neal Jacobson was a loving father with a perfect family, or so it seemed. What would possess him to kill his wife and twin boys in the middle of the night? Christine Billis was your average wife and mother, before a terrible car accident - with her at the wheel - killed her husband. Did she do it for the money or to get out of an abusive relationship?

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.

Calculating. Cunning. Cold as ice. These shockingly devious masterminds use their wits and wiles to manipulate, seduce and try to get away with murder.

From the producers of “Deadly Wives“ comes a new series that will take us into the minds of deviously clever women who used their smarts to devise elaborate schemes of crime and murder. “Diabolical Women“ will explore the twisted ingenuity of these women, who might have put their efforts into running a business, but instead methodically planned out extra ordinary crimes in order to get what they wanted - power, control, money, etc.

13 year old Micah's life has been full of trouble from its beginning. She's never known her father, lost her mother to cancer several years ago and more recently suffered the loss of her older sister Erin. Five months after being orphaned her cousin Noah and Uncle Tom take her in. Things seem normal at first but quickly take a turn for the worse. Micah begins to experience black outs, the "missing time phenomenon" and other supernatural manifestations. When it becomes violent, Micah and those around her come to the disturbing realization that something is after her - intent on harming her and those closest to her.

On summer vacation a young teenager finds himself hanging out alone on the streets of his neighbourhood, all his friends having gone to the country with their parents. Near his home he meets a disturbing character, a drug pusher looking for clients, who introduces him to an artificial paradise. The teenager discovers a seductive and terrifying world that frequently draws him back to his neighbour.

On the eve of his wedding, a young architect learns that his father, a banker who laundered money for the Mafia, is being hunted by the organization.

After losing everyone they love in a brutal Narco massacre, Felipe, Rosa and her brother Pedro set out on a rage-driven quest for revenge from their peaceful village all the way to Mexico City. But when the tables are turned and the crime lord sends his most dangerous killer, the three friends find themselves in a merciless fight for their lives.