Nam Shin is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong....
While investigating a serial murder case, Detective Han Tae Joo gets into a catastrophic incident. When he wakes up, he finds himself transported back to 1988, appointed to work at a police station in a small city. Believing he is there for a reason, he tries to solve the case from the past in hopes of finding a way back to his life in 2018....
Han Woo-Jung (Seo Hae-Won) has a bright personality. She is betrayed by her best friend Shin Hwa-Kyung (Oh Seung-A). Because of the betrayal, Han Woo-Jung's life is ruined. Han Woo-Jung keeps pursuing her dream and never loses hope....
