Miserable and unsuccessful, a woman thinks she's lost all her spark — until one day, her spunky younger self appears in front of her demanding...

Bahn Ha-ni's awful day brings her major trouble at work, a sticky situation at the police station and several encounters with Han Yu-hyeon.

For the younger Ha-ni, witnessing the pathetic state of her life in 20 years is hard to swallow. Cut off financially, Yu-hyeon goes to Ha-ni.

Finding a way to send the younger Ha-ni back to her time seems impossible until a mysterious shaman appears. Gangsters knock on Yu-hyeon's door.

The two Ha-nis find their own place to live, and receive surprising news from the snack company. To save his career, Anthony goes the extra mile.

Ha-ni unexpectedly reunites with an old friend on the first day of her new job. The younger Ha-ni nabs a bit role in a commercial shoot.

While running an errand for Oh Ji-eun, Ha-ni jumps into action when she sees someone in danger. Meanwhile, the younger Ha-ni messes with Anthony's...

Upon visiting the younger Ha-ni's home, Anthony is met by a startling revelation. When her team at work faces a challenge, Ha-ni gets a clever idea.

Yu-hyeon agrees to team up with Ha-ni for the company competition. To mend his public image, Anthony gathers all his internet trolls for a photo op.

Anthony's entertainment agency offers to sign a contract with the younger Ha-ni. During Ha-ni's visit to her family, her grandmother disappears.

Ha-ni's mother comes by with questions and an item from grandma. Ha-ni and Yu-hyeon develop a prototype of their new snack for the competition.

A rain forecast sends the two Ha-nis rushing off to meet the shaman. On the phone that Ha-ni leaves behind, Yu-hyeon sees a curious text message.

Dealing with a false accusation at work, Ha-ni grows frustrated with herself. Yu-hyeon and Yang Do-yun realize something fishy is afoot.

The younger Ha-ni demands to know why she can't go outside. In the midst of a company crisis, Yu-hyeon figures out a few of his family's secrets.

Revealing his true identity, Yu-hyeon pulls the employees together to help him protect the company they all love. Anthony's ugly past surfaces

The younger Ha-ni grapples with a heartbreaking reality. Ha-ni receives a startling phone call. Anthony seeks advice on his next steps.

Not much time remains for the younger Ha-ni to figure out a way back to her time. In her dreams, her father appears with a hint.