Jonah Brand isn't necessarily the type of guy who would interest ultra-hot Sara Weller. But when she and her friends find out he works at a pharmacy, they charm him into their circle and gain his trust with manipulative fawning. Jonah knows he's playing with danger, but it's tough to resist the game.

A psychiatrist becomes romantically involved with the sister of one of his patients, but the influence of her controlling gangster husband threatens to destroy them both.

A team of space marines known as the Rapid Response Tactical Squad, led by Sarge, is sent to a science facility on Mars after somebody reports a security breach. There, they learn that the alert came after a test subject, a mass murderer purposefully injected with alien DNA, broke free and began killing people. Dr. Grimm, who is related to team member Reaper, informs them all that the chromosome can mutate humans into monsters -- and is highly infectious.