In December 2004, close-knit family Maria, Henry and their three sons begin their winter vacation in Thailand. But the day after Christmas, the idyllic holiday turns into an incomprehensible nightmare when a terrifying roar rises from the depths of the sea, followed by a wall of black water that...
On a foggy day, Julia's six-year-old son Jens is called missing. Despite a thorough search, the boy is never found. Twenty years later, Julia’s father receives one of the shoes Jens was wearing the day he disappeared. Who sent it? Why? Is the boy still alive? This inexplicable act suddenly...