A young woman is followed by an unknown supernatural force after a sexual encounter.

As a new year at school begins, Lola's heart is broken by her boyfriend, though soon she's surprised by her best friend, promising musician Kyle, who reveals his feelings for her.

When carefree teenager Jay sleeps with her older boyfriend for the first time, she learns that she is the latest recipient of a fatal curse that is passed from victim to victim via sexual intercourse. Death, Jay learns, will creep inexorably toward her as either a friend or a stranger. Jay's friends don't believe her seemingly paranoid ravings, until they too begin to see the phantom assassins and band together to help her defend herself.

Tim Lippe has no idea what he's in for when he's sent to Cedar Rapids, Iowa to represent his company at an annual insurance convention, where he soon finds himself under the "guidance" of three convention veterans.

Two female vampires in modern-day New York City are faced with daunting romantic possibilities.