Half-siblings Jiang Sheng and Liang Sheng share a deep bond that turns into forbidden love. After Liang Sheng disappears in an accident, Jiang Sheng searches for him with the help of Cheng Tianyou, who falls for her. Just as she moves on and marries Tianyou, Liang Sheng returns, forcing her to confront her past and make a heart-wrenching choice.