Kim Hye Ja 20 years old, an unemployed wasted her days away not much doing something but her dream is to become news anchor.

Hye Ja want to use the magical watch from her childhood to turn back time before the family tragedy.

After turning time back too many times to save her father, Hye Ja becomes an old lady; Hye Ja frantically searches for her watch but finds it broken.

Hye Ja finds out that Joon Ha is keeping her dog in his house. She tries to take the dog back, but it doesn't seem that Joon Ha will let her do that.

Hye Ja is disappointed to find out that Joon Ha is actually selling supplements to elders by lying instead of working as a reporter.

Hye Ja is offered to record sales pitches at her local supermarket in exchange for household goods, while Yeong Soo invites her to co-host his online broadcast.

An old man starts coming to Hyoja Exhibit Hall and Hye Ja spots her watch on his wrist, and gets shocked as the watch is working.

Lady Chanel plans to visit his son in the States without knowing the fact that Joon Ha has been faking all the letters from his son.

Joon Ha misses his flight to Russia and faces investigation after Lady Chanel is found dead, leading to suspicions from the police. Hye Ja works tirelessly to prove his innocence.

Hye Ja, Hyun Joo, and Sang Eun plan a trip, while Yeong Soo secretly joins by hiding in the car trunk. Meanwhile, Hye Ja finds Joon Ha locked in the exhibit hall basement.

In the 1970s, Hye Ja plans a trip with Joon Ha, hoping for a proposal, but faces complications. In 2019, she's hospitalized under the care of a doctor who looks just like Joon Ha.

In the 1970s, Hye Ja's happy life with her husband Joon Ha and son Dae Sang is disrupted when Joon Ha disappears. In 2019, the hidden story behind the watch is revealed.