You're My Sunshine— Episode 7

A 22-year-old delivery girl saves a wealthy socialite, only to be betrayed by her boyfriend and cousin. The socialite invites her into her wealthy family and sets her up with her son, who helps her reclaim her property and expose plagiarism. The two fall in love, and despite family opposition and an unsolved old case, the truth emerges. They get engaged, winning love and universal respect in the end.