Hyun-Woo (Kwon Sang-Woo) and Sun-Young (Lee Jung-Hyun) go through a divorce ceremony and they are now officially divorced. Hyun-Woo enjoys his single status, but his ex-wife suddenly appears in front of him one day. Sun-Young is with her new boyfriend Sang-Cheol (Lee Jong-Hyuk). Sang-Cheol is unaware that Sun-Young was once married to Hyun-Woo.