Ye Fei lost both his parents when he was young and survived by collecting discarded recyclables. On his birthday, his younger twin sister was abducted by human traffickers. Twenty years later, his sister's child falls ill and needs expensive medical treatment. By chance, Ye Fei discovers that his sister is being bullied by a local thug. He immediately reveals their true relationship and reunites with her. However, the bully refuses to leave his sister's family alone and continues to persecute them. Determined to protect his sister and niece, Ye Fei stands up to the bully and fights to win them a peaceful life.