Lin Chuhuan, who has mediocre appearance, mediocre education and mediocre experience, was accidentally rescued by Xiao Feng and has been attached to him ever since. Xiao Feng also had a good impression of him, but a misunderstanding made him think that Chu Huan already had a boyfriend, so he confirmed his relationship with Lin Chuhuan's sister Lin Suxi. When Lin Chuhuan was a child, Dao Caifeng, Lin Chuhuan's stepmother, died trying to save Chuhuan from a fire. Chuhuan lost all her previous memories, and due to a deep sense of guilt, she paid double compensation to her stepmother for leaving behind a sister who was not related to her by blood. Therefore, she buried her feelings for Xiao Feng forever in her heart and just guarded him silently. It turns out that Xiao Feng and Chu Huan knew each other since they were children, and Xiao Feng was the culprit who caused the fire. As Lin Chuhuan's memory recovered, the truth of the past emerged one by one. Lin Suxi is the illegitimate daughter of Xiao Feng's second uncle Xiao Jie. Dao Caifeng was pregnant with her and married Lin Yile, who took her in. During the test of life and death, Xiao Feng finally knew where his true heart had been for a long time. But Lin Chuhuan was unwilling to become the problem between Xiao Feng and Lin Suxi, and chose to go to the United States. After Lin Chuhuan left, Xiao Feng learned to be independent and responsible, and found his own value in life. Three years later, they met in Dao Caifeng's hometown of Yunnan...