Chimera incident, a serial murder and explosion crime that shook the year of 1984, takes place exactly the same thirty five years later in 2019. Just like the terrible explosion in the past, the murder of the crime is called Chimera, a monster in the Greek myth with the head of a lion, body as a goat, and tail as a snake that shoots fire through its throat.
Ji Eun-Soo is a daughter-in-law of a powerful chaebol family. She suddenly she becomes a murderer, who killed her husband. After she is released from prison, she tries to get her daughter back. She approaches Kang Ji-Min, who has adopted her daughter. He is a cool as ice reporter. Ji Eun-Soo pretends to fall in love with him and attempts to marry him to become the stepmother of her daughter.
Mo Seok-hee is an only child and her father runs the large company MC Group. She is beautiful, smart and rich. Mo Seok-hee appears like she is arrogant, but she struggles over her mother’s death. Her mother was killed 15 years ago. Meanwhile, Heo Yoon-do is a lawyer, but he doesn’t even have an office. He solves small problems of neighborhood residents at a restaurant. He is full of love. Miraculously, Heo Yoon-do is headhunted to join the TOP team at MC Group. The TOP team manages the affairs of the family who runs the MC Group. Their job includes covering up immoral or illegal behaviors done by the family.
A reluctant clairvoyant joins forces with a brusque police detective hiding a soft heart to help him solve criminal cases using her psychic abilities.