Lin Zhiyuan has been mocked since childhood for his unusually shaped ears. He makes a living collecting scrap at the docks to support his mother. After he is humiliated one day, a jade pendant shaped like a half-moon leads Gu Chengyue, chairman of the Gu Group, to recognize a family token and uncover Lin Zhiyuan's true origins. The Gu family is rife with conspiracies, and both mother and son are kidnapped and framed. Using his extraordinary hearing, Lin Zhiyuan discovers equipment failures and seafood fraud at a cold-chain port, exposing a web of corruption, only to be trapped in a cold storage room. At the critical moment, Gu Chengyue rescues his son, and the father and son join forces to uncover the truth. Lin Zhiyuan finally finds family love and a place to belong.