A genius strategist who goes by the nickname "The Professor" and his talented crew - composed of top-class thieves - attempt to pull off an unprecedented heist in the Korean Peninsula.
Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits - with deadly high stakes.
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.