Xiao Xiaohui, an ordinary college student, lost his father when he was young and was abandoned by his mother. He was raised by his uncle. The optimistic Xiao Xiaohui made a close friend, Ji Fan. When he thought he would spend his life in peace, his uncle suddenly disappeared and he learned that his mother, whom he had not seen for many years, was seriously ill. Faced with the sudden appearance of his mother, the huge medical expenses, and the secret behind his father's death, Xiao Xiaohui was at a loss...