Eighteen years ago, He Jingchuan and Jiang Ruoning separated due to a misunderstanding. Jiang Ruoning lived alone with their child Jiang Chengze. Years later, He Jingchuan accidentally discovered the half jade pendant on Jiang Chengze and realized he might be his long-lost child. To find out the truth, He Jingchuan went with Jiang Chengze to look for Jiang Ruoning, only to find that there were many misunderstandings hidden behind the departure back then.