Never-Ending Summer (S01E18)

To save her gravely ill grandmother, top student Zhou Wan approaches her mother's stepson, Lu Xixiao, for funds. They fall for each other over the summer after graduation but are torn apart by misunderstandings in reality. Ten years later, they reunite at work. Though Lu Xixiao harbors resentment, his love for Zhou Wan remains. As they uncover the truth behind a "factory accident," they resolve their differences and reunite.