In 1997 Brisbane, a sound engineer must confront her trauma when she and her girlfriend's grunge band are trapped in a recording studio by a shadowy killer.

Isla, a sound engineer, is struggling in the aftermath of a traumatic event. Meanwhile, her girlfriend, Nicole, is avoiding her own feelings of guilt by focusing on getting her grunge band signed to a major record label. One evening during band rehearsals, the group discover they have been locked inside a music studio with no escape. Mistrust and mayhem erupt as they search for answers and a way out, forcing Isla to face her darkest fears.—Josh Morris