When their dad dies unexpectedly, estranged siblings Russell, Jane and their adopted brother, Alex, come home to tend to his remains. The three must overcome their differences to achieve a proper goodbye and discover what it means to be a family without their dad.

Strange things are happening at the Senior Prom. The boys have gone crazy and the girls have gone wild. Amy and Darryl flee from the horror, but will they also become victims of the supernatural forces from below?