The hot-blooded fireman Jin-woo (Jeong Woo-seong), so that he can be forever with his much-loved girlfriend Soo-jung (Im Soo-jeong), tries to prepare an impressive wedding proposal. However, being awkward at love, he keeps missing the chance to do it. Ha-seok (Cha Tae-hyun) is a pathetic new-generation man who has been unemployed for three years, and who is reduced to working part time as a boxing partner to earn money for dates. One day his girlfriend Sook-hyun (Son Tae-young) tells him coldly that she wants to break up. The extremely busy mother Ju-young (Eom Jung-hwa) is worried that her elementary school-aged son Hwi-chan (Yeo Jin-gu) is turning into a problem child. His teacher even calls her in due to a picture diary in which Hwi-chan tells lies.... The deaf woman Su-eun (Shin Min-ah) who carries a burn on her face gets to know her first love Sang-gyu (Lee Ki-woo) at an amusement park. Without being able to speak or show her face, she merely hangs around in front of him, unable to leave his presence because of her infatuated heart.