Oh-joon Kwun, a boxer who rips off girls he neets for money, needs to pay back 30 grand in interest to a loan shark company called "Cash 'N Check." Dal-lae Jin, a young widow living with her mother-in-law and daughter, runs into his car...

Oh-joon finds out Dal-lae is worth 30 grand, He uses the same tactics to lure Dal-lae as he used with Yun-ha but it doesn't work. A rich old man is also interested in Dal-lae, but for his son, Jin-goo.

Dal-lae begins to wonder if she is becoming interested in Oh-joon. She can't forget her dead husband and becomes ill near the anniversary of her husband's death. Soon-sum, her mother-in-law, wonders if she should sell insurance to thugs.

Dal--lae takes Oh-joon to a meditation center to help him get over his "loss." Oh-joon discovers Dal-lae is looking to buy a coffee shop for her mother-in-law and realizes he can use this to trick her.

Oh-joon helps a guy from "Cash 'N Check" to get his dream girl. Dal-lae agrees to teach Jin-goo to become more likeable and less awkward. Oh-joon gets closer to setting Dal-lae for the con, and Dal-lae lets Oh-joon know that she is a widow.

Oh-joon succeeds in conning Dal-lae out of her 30 grand with help from the guys from "Cash 'N Check". He begins to feel remorseful and he gets back the money to return it to Dal-lae...