The blood feud is deep and the tide is proof. At the age of twelve, Chen Nanjiang bid farewell to his mother at the beach, vowed revenge, and accidentally rescued a young girl named Zhang Yu who fell into the water. After ten years of dormancy, the former boy grew up to be an amazingly talented doctor of medicine, but he resolutely gave up his ideal of being a doctor and went to the business world to start a revenge plan. On the other side of the ocean, the little girl Zhang Yu transformed into the much-anticipated dolphin singer in Vienna. Reunited after a long absence, the fate planted by the seaside when we were young is revived again. In the torrent of grievances between the two generations, he, who is full of hatred, and she, who is stubborn in her heart, begin a fateful story of love and hate.