After a bad day at work, Lee Yeo-reum lets off steam by venting to her longtime boyfriend, who only ends up making her feel worse.
Yeo-reum leaves her life in Seoul behind and settles in a quiet small town, where she vows to rediscover herself and live spontaneously.
Yeo-reum starts carving out a life for herself in her new home, but the neighbors, especially Bae Seong-min, continue to make her feel unwelcome.
Upon waking up penniless and hungover, Yeo-reum tries to piece together the events of the day before with the help of a local librarian.
Yeo-reum and An Dae-beom clear up a misunderstanding. Kim Bom faces bullies at school, but deals with even greater struggles at home.
With Bom in the emergency room, her family and friends debate how they will afford the hospital bill. Dae-beom gets a visitor from Seoul.
Yeo-reum and Dae-beom bond as they spend more time together, but their growing closeness leaves Cho Ji-yeong with mixed emotions.
The trip gets off to a bumpy start, but the four friends make do with what they have in order to have an enjoyable time. Ji-yeong realizes her true feelings.
Yeo-reum learns a startling secret after dealing with an intruder. Dae-beom tries to put a controversy to rest. Bomโs friend comes to town.
Yeo-reum testifies in order to get the murder suspect captured, but then faces blame for speaking out too late. Dae-beom is offered a new opportunity.
After meeting with Hwang Geun-ho, Yeo-reum teams up with Dae-beom to survey the crime scene and decode a series of cryptic messages.
As the investigation progresses, Yeo-reum and Dae-beom come a step closer to capturing those responsible for murder.