David is new to the city and has little social life until his brother Colin invites him to a rave party, GROOVE. Reluctantly, David goes with his brother and is very surprised when Colin proposes to his girlfriend at the party. As the celebrating continues, they take Ecstasy and David experiences a side of San Francisco nightlife he'd never imagined. He meets Leyla and they have an instant connection. The party must come to an end, as Colin reveals a dark secret that threatens to destroy his new engagement and his relationship with his brother.