Colombian music icon Juanes plays Moisés, the eldest of three brothers plying this perilous trade an Mia (Lowndes), a meticulous webpage editor for the Seattle Tourism Board, finds herself unexpectedly navigating the holidays alone. As the only one working, she's drawn into an unusual encounter when she encounters a stray dog. 两姐妹去一个美丽而偏僻的地方潜水。其中一个姐妹被岩石击中，被困在 28 米深的海底。由于氧气含量极低、气温极低，她的妹妹只能靠自己的努力来争取生命。 
