Gyeongseong, 1945 — and Seoul, 2024. A pair adrift in time fight for survival against monsters born of human greed.

Yoo Mi is the woman who tells a small lie and ends up living someone else’s life. Hyun Joo is a woman who lives her life holding herself above everyone, treating them with neither kindness nor malice. She has a subtly tense relationship with Yoo Mi. Ji Hoon is Yoo Mi’s husband who is ambitious and future-oriented. Ji Won is a dependable senior who is the only person whom Yoo Mi trusts.

A psychopath’s ruthless serial murders have left the entire nation gripped with fear and chaos. A honest and justice-seeking rookie police officer and a veteran detective with tragic past, face against the killer. After the encounter with the psychopath, their lives totally change.

The stories of ambitious career women working at the top of the best portal sites in the IT industry. Paved with wins and losses, their road to success takes a new turn when love comes along the way.