Nan Wan and Gong Yan were childhood sweethearts, but on the eve of their arranged marriage, tragedy struck—Nan Wan's father died, and her mother fell into a vegetative state after a mysterious accident. Gong Yan became the prime suspect, and Nan Wan was filled with hatred toward him. Over the years, Gong Yan quietly sought the truth, hoping to clear his name and win back her trust. Meanwhile, Gu Huaiyuan, the adopted son of the Gu family, supported Nan Wan through her hardships. Though uncertain of her feelings, she was moved by his care and eventually agreed to marry him. However, just before the wedding, Gong Yan returned, forcefully disrupting Nan Wan's life and attempting to stop the marriage. At the same time, Nan Wan's mother began to show signs of waking. The truth behind the tragedy was about to be uncovered…
