A blood feud, witnessed by the tides. At twelve, Chen Nanjiang watched his mother off by the sea and swore revenge. By chance, he rescued a girl named Zhang Yu from drowning. After ten years in hiding, the boy had grown into a brilliant medical doctor, yet he resolutely abandoned his dream of healing and plunged into the business world to set his revenge plan in motion. Across the ocean, the little girl Zhang Yu had become Vienna’s acclaimed Dolphin Song Queen. Reunited after years apart, the bond forged by the sea in their youth stirred to life once more. Amid the torrent of grudges spanning two generations, a man burdened by hatred and a woman with an unyielding heart embark on a fateful tale woven from love and hate.