S1 • E1
An unhappy couple decides to get a divorce on their wedding anniversary. They both wish they could go back in time and marry someone else.
S1 • E2
Jin Joo and Ban Do try to explain to their college friends that they have been sent back in time. Their friends do not believe them.
S1 • E3
Waking up to discover that they are still in the past, Ban Do tries to set up his family financially and seduce Min Seo Young. Jin Joo reminds Ban Do about their son.
S1 • E4
A heated conversation that the couple thought was private, was heard all over campus, and is all anyone can talk about.
S1 • E5
Jin Joo's charming senior tries to spend more and more time with her, while Ban Do grows even closer to his first love.
S1 • E6
Jin Joo and Ban Do keep butting heads while dating their respective first loves. Can they see what they saw in each other before?
S1 • E7
While Ahn Jae Woo is plagued by doubts about his girlfriend, Jin Joo and Ban Do team up to stop some of the heartbreak they witnessed in the future.
S1 • E8
Jin Joo solves a mystery from her past, while Ban Do wonders how their lives turned out so differently from what they imagined...
S1 • E9
Jin Joo and her friends go on a road trip, while Ban Do and Nam Gil butt heads.
S1 • E10
As Ban Do reflects on where his marriage with Jin Joo went wrong, things heat up between Jin Joo and her Senior Jung.
S1 • E11
Jin Joo and Ban Do seem to grow closer to reconciling, but there are a lot of surprises in store for the two and their friends...
S1 • E12
It's finally time to return home, but can Ban Do and Jin Joo leave their pasts behind and return to their marriage?
Ma Jin-joo
Choi Ban-do
Jung Nam Gil [Jin Joo's sunbae]
An Jae Woo [Ban Do's friend]
Go Dok Jae [Ban Do's friend]
Go Eun Sook [Jin Joo's mother]
Ma Pan Seok [Jin Joo's father]
Choi Ki Il [Ban Do's father]
Min Seo Yeong [Ban Do's first love]
Choi Ban-Do