Rong'er was sold into a brothel at a young age, and as an adult, she earned a living as a barmaid. But she never resigned herself to this fate, always dreaming of redeeming her indentures and leaving. One day, as a poor scholar, you passed by this place and fell in love with Rong'er, who stood at the window sill gazing out at the street. You secretly resolved to rescue her, but with no money, how could you help Rong'er redeem herself?