Based on the best-selling novel by David Guterson. After losing his wife of many years, retired heart surgeon Ben Givens learns that he has cancer and takes his beloved dog back to his boyhood home in Eastern Washington, determined to end his life on his own terms. Ben's journey, though, takes an unexpected turn, and soon becomes an adventure that shows him the way back to love...。张勇因保护监测浮标而不幸失去妻子,自此一蹶不振,退出海洋监测队。多年后,一场台风,他与老站长再次相遇,并发现了一宗海洋污染事件。在老站长的带领下,一群人深入神秘的海蛇岛,寻找海洋污染的秘密,却不知道岛上危机四伏,比巨蛇更可怕的竟是人心!一群人不畏生死,最终守护了海洋生物栖息地的安宁。而张勇也在这次行动中,终于放下过往,走出阴霾,重新担任起守护海洋的职责。。