Sanctum

The 3-D action-thriller Sanctum, from executive producer James Cameron, follows a team of underwater cave divers on a treacherous expedition to the largest, most beautiful and least accessible cave system on Earth. When a tropical storm forces them deep into the caverns, they must fight raging water, deadly terrain and creeping panic as they search for an unknown escape route to the sea. Master diver Frank McGuire (Richard Roxburgh) has explored the South Pacific’s Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank’s team–including 17-year-old son Josh (Rhys Wakefield) and financier Carl Hurley (Ioan Gruffudd)–are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out. Soon, they are confronted with the unavoidable question: Can they survive, or will they be trapped forever?

Archipelago

Patricia (Kate Fahy) and her two children, young adults Edward (Tom Hiddleston) and Cynthia (Lydia Leonard), arrive for a break at a holiday cottage. As rain and wind lash against the windows, Patricia grows exasperated at the absence of her husband, who remains an unheard voice on the phone. Good-natured Edward struggles to hide his angst at where his life is heading and assumes a fatherly role while becoming weirdly familiar with Rose (Amy Lloyd), the family’s hired cook. Cynthia, meanwhile, looms like a dark cloud and snaps and lashes out for no clear reason.