In order to make a living and overcome the shadow of his companion's distress, Jie, a member of the rescue team, went to sea again in a fishing boat. However, he once again encountered a huge crisis. The people on the boat are not only facing the bad rainstorm weather, but also the unknown creatures are coveting at the bottom of the sea. In the vast sea, the trapped people is also undergoing a great test....

大樂又搞砸了結婚紀念日！ 今年是第六年，琪琪發現自己懷孕，又面臨工作升遷，決定不再對粗心的大樂寬容。 此時，神秘的計程車司機出現，將大樂載往另一個平行時空。大樂這才發現，自己必須彌補做錯的一切之後，才能回家...... ...