Teeny bopper rock star Bart Holton is pushed around by his manager for maximum profit and longs for a normal life. Through a look-alike contest he meets Matt, a student who looks exactly like him and can imitate his dancing style perfectly. Bart proposes to switch roles for a week. At first Matt enjoys being chased by hysterical groupies and Bart enjoys hitting on the highschool girls, but of course both learn quickly that the other's life is quite different from what they'd expected.

A priest discovers an ancient canister containing a strange liquid in an abandoned church. When a group of graduate students and scientists are tasked with studying it, they unknowingly unleash an evil force waiting to destroy all of humanity.

Aliens from another dimension cross space and time to come to Earth. A scientist tries to discover what their motives are.

A girl who halfheartedly tries to be part of the "in crowd" of her school meets a rebel who teaches her a more devious way to play social politics: by killing the popular kids.