Joo-hyuk, father of two children and husband to Woo-jin for five years, endures everyday quarrels from his boss as well as his wife. His first love Hye-won suddenly appears in front of him. Things get weirder when he passes through an unfamiliar tollhouse that inexplicably brings him back to his college years.
Joo-hyuk, father of two children, husband to Woo-jin for five years and a bank employee, endures everyday quarrels from his boss as well as his wife. Disillusioned with Woo-jin's nagging and frustrations, Joo-Hyuk begins to contemplate divorce. Coincidentally, his first love Hye-won appears causing Joo-hyuk to regret his marriage more. Things get weirder when Joo-hyuk passes through an unfamiliar tollhouse, sending him back in time to college. After coming back and forth between the past and present, Joo-hyuk discovers the tollhouse returns him to the same day when he broke his promise to Hye-won. His present changes as he reverses his actions. But destiny seems oddly different from what he had imagined.