Mi-young overcomes her painful past and spends sweet time with her co-worker Won-woo. Seok-joon, who broke up with Mi-young after having an affair with Ye-jin, soon breaks up with Ye-jin too because he cannot forget Mi-young. Meanwhile, Ye-jin sees her ex-boyfriend Won-woo with Mi-young and uses a trick to keep them apart. In the end, Mi-young and Won-woo promise each other to have one last sex with their respective ex-lovers in order to escape from the past.美英克服了她痛苦的过去，并与她的同事元宇度过了甜蜜的时光。石俊，谁与美英有外遇后分手与艺珍，很快与艺珍分手，因为他不能忘记美英。同时，Ye-jin看到她的前男友元宇与Mi-young和使用一个技巧来保持他们分开。最后，美英和元宇互相承诺有一个最后的性与各自的前恋人，以逃避过去。
