A story about Ji-won who after being killed by her husband who had an affair with her best friend, goes back 10 years in the past and has a chance to change her fate.

In 1999, a robbery-murder case occurs in a small supermarket in Samnye, Jeonbuk province. The police investigation quickly narrows down to three boys from the neighborhood, and these boys are falsely accused of being murderers overnight and are imprisoned without understanding what is happening. The following year, veteran detective Hwang Joon-cheol is newly appointed as the head of Crime Investigation Division. He receives a tip about the real culprits and embarks on a reinvestigation to clear the boys' names. However, the interference of the detective responsible for the case at the time, Choi Woo-sung, leads to everything falling apart, and Hwang is demoted. Sixteen years later, the sole witness of the case and daughter of the victim, Yoon Mi-sook, and the boys return to Hwang, seeking justice...

An actress and her twin brother slip through time – and swap bodies – to save their friend's life.

Yoo-Na (Park Ju-Hyun) is a popular YouTuber with over 700,000 subscribers. She enjoys her life, but, one night, she is kidnapped by an unidentified person. The kidnapper orders her to earn 650 million won through a one hour broadcast