Xixiu (Jeon Do-yeon) is over 30 but still single. She is a typical "loser" who has no success in career and love. When she is about to fall to the bottom of her life, Xixiu suddenly remembers that her ex-boyfriend Bingyun (He Zhengyu) once borrowed 3.5 million won from her and has not yet returned it. This huge sum of money has become Xixiu's last hope. Hard work pays off. Xixiu finally found Bingyun, who had not been in contact for a long time. Until then, Xixiu found that Bingyun's situation was not much better than hers. How could he have 3.5 million in savings? Fortunately, Bingyun has his own unique money-making skills, that is, his handsome appearance. Relying on this face, Bingyun started his plan. A desperate woman and a wandering man, what will be the ending of their entanglement?