L.U.C.A.: The Beginning is an upcoming South Korean television series starring Kim Rae-won and Lee Da-hee. It is scheduled to premiere on tvN on 1 February 2021.
Ji Oh (Kim Rae Won) has a special power and a secret, but he doesn't know who he really is. He is chased by mysterious figures, while he tries to find answers to numerous questions that surround him.
Goo Reum (Lee Da Hee) is a detective. When she decides on a course of action, she won't change no matter what. Her parents disappeared when she was only a young child. Goo-Reum chases after the truth behind her parents' disappearance. She meets Ji Oh and her life changes.