Two sisters are unwittingly trapped under the fiberglass cover of an Olympic sized public pool and must brave the cold and each other to survive the harrowing night.

19-year-old Ben Burns unexpectedly returns home to his family's suburban home on Christmas Eve morning. Ben's mother, Holly, is relieved and welcoming but wary of her son staying clean. Over a turbulent 24 hours, new truths are revealed, and a mother's undying love for her son is tested as she does everything in her power to keep him safe.

Still overwhelmed with guilt years after his high school sweetheart's death, "Max" returns home seeking closure. Instead, he re-experiences the memories of falling in love with her. The mystery of what happened to this alluring young woman unravels as the past plays against the present.