The plot goes back to before the key events occurred, to make up for how several characters got to their current situation step by step.The choices of Kim Bum-joon, Park Jae-young, Jang Gil-yong, Lee Yoo-jung and others are reconnected, and the causes and effects behind car accidents, arson, abandoned corpses and blackmail gradually become clear.Those seemingly accidental encounters have actually been implicated in each other, and everyone is paying the price for their own greed and fear.
