An overworked dad, missing out on his kids growing, takes an opportunity to start a "family business" thinking it will draw his family closer together - That is just mistake number one....

　　阳光明媚的假日海滩，又迎来各方游客，杰西一家也在海滩搭起了帐篷。杰西惊喜地发现阔别数年的鲸鱼威利和它的海洋家族竟然又游回了这个海域，令他激动不已。一艘大型游船在海上意外触礁，船体漏油，污染了大片海域。鲸鱼家族的生命又危在旦夕！如何让鲸鱼脱离危险？如何不让坏人得逞他们的捕捞计划？杰西和大家再次开始了救援行动。...