Tsunehiro Sasaki, a college student, is in huge debt and is told by a doctor that he has two years to live. He was depressed all day long, and fell into the sea in a debt collector's chase, but was fortunately rescued by the girl flower who loves fishing and the fishing friend Guiming. Under the persuasion of Hana, Chang Hong started fishing for the first time in his life, and gradually became familiar with other fishing friends, and began to work at the convenience store where Hua and Guiming worked. At first, he struggled with jerky terminology and the fishy smell of mystic shrimp, but he gradually fell in love with fishing. The touch of the fish hook touches the hand, which is also the real sense of life - "all the way downhill, the life that can only look up can not be easily changed" Chang Hong, who has such an idea, will gain what kind of perception through fishing?