Henry Jekyll is a young science student who, along with his friend Mary, experiments with various drugs and compounds in order to create a personality-enhancing drug that he believes will turn him into the successful and popular person he so craves to be. But after testing the drug on Mary and himself, Jekyll discovers it has horrific consequences - ones that he might not be able to control.

A fully automated commercial jetliner is prepared to make its maiden voyage. Without an on-flight pilot, the craft relies on satellite linking for its course. But when the plane suddenly deviates from its determined route and establishes a circular pattern over Seattle, it becomes evident that the craft has been hijacked by a disgruntled former airline employee who has hacked into the flight's computer system from his apartment, somewhere in the United States. Now, a former discredited Navy pilot and an oddball technician must race against the clock to find where the angry employee is, and regain control of the plane before it crashes into the city.

A burned-out ex-cop travels back in time and teams up with his younger self to catch his father's murderer.

During a storm, a group of people are trapped inside a mansion with a killer.

A passenger of a hijacked airliner who happens to be an airplane engineer works to deactivate a chemical weapons bomb after the hijackers kill the pilot and threaten to kill all the passengers on the plane.