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 devours everything in its path. Though Maria and her family face their darkest hour, unexpected displays of kindness and courage ameliorate their terror.
Tragedy strikes when a woman named Joyce's son falls through the ice on a frozen lake and is trapped underwater for over 15 minutes. After being rushed to the hospital, the 14-year-old boy continues to fight for his life as Joyce, her husband and their pastor stay by his bedside and pray for a miracle.
In October 1991, a confluence of weather conditions combined to form a killer storm in the North Atlantic. Caught in the storm was the sword-fishing boat Andrea Gail.