During the period of War of Resistance against Japanese Aggression, Wu Qi, an island gentry, fought against the Japanese invaders, and Ye A, a fisherman, stood up for the second young master of the Wang family who was killed by the Japanese invaders. Ye Azhi's cotyledon became brothers, and at the same time, the two brothers fell in love with Ah Chun, the daughter of the troupe owner.
Ye Renyi was killed and fled to the mainland to become a soldier of the China People's Liberation Army; Wu Zaiqing and Chen Ren moved to Taiwan Province Province, China, and became senior spies, but he still couldn't forget Ah Chun.
Ye Renyi, a soldier of the coastal defense army who is already Ah Chun's husband, has a new struggle with Zaiqing in order to do his job well and defend his love. After the reform and opening up, the old people separated for 30 years reunited and felt the same.