A group of American teenage boys goes south of the border to work for the summer at a Mexican resort. There they encounter many wacky guests and have zany adventures involving a German dominatrix, a music teacher that gets hot when giving lessons, a buxom cook, and an uptight socialite that eventually thaws. More often than not they end up in bed with someone, but one of the teens is holding out for True Love.

His high school teacher issues an ultimatum: turn in a science project or flunk. So Mike Harlan scavenges a military base's junk pile for a suitable gizmo. He finds one... and unwittingly unleashes the awesome power and energy of the unknown. Twisted dimensions. Time warps. A fantastic realm where the past, present, and future collide in a whirling vortex of startling adventure and superlative special effects.

A group of teenagers in San Francisco discover a nest of homicidal monsters living in a tower of the Golden Gate Bridge, but when they try to tell authorities, no one believes them.