Billy, a single mother of two, is led into a macabre underworld while her teenage son, Bones, discovers a secret road leading to an underwater town. Both Billy and Bones must dive deep into the mystery if their family is to survive.

• Bold Films
• Marc Platt Productions
• Christina Hendricks
• Iain De Caestecker
• Saoirse Ronan
• Eva Mendes
• Matt Smith
• Ben Mendelsohn
• Reda Kateb
• Barbara Steele