When the heiress of a luxury hotel chain is kidnapped at her dingy motel outside Detroit by a band of ruthless sex traffickers, her downtrodden assistant must figure out a way to rescue her.

A young woman in Paris goes to a party in the enormous labyrinth of limestone tunnels beneath Paris. When she becomes separated from her friends, she is convinced something is chasing her through the dark tunnels.

A college student creates and sells a drug called 'Z' on campus which resurrects the living dead, who wreak havoc at a Halloween rave.