High school student Clay Jensen lands in the center of a series of heartbreaking mysteries set in motion by a friend's tragic suicide.

Ace insurance investigator Cha Woo-seok hunts a fraud ring tied to mysterious deaths and becomes dangerously entangled with Han Seol-ah, a flawless art auctioneer whose lovers all seem to die. As attraction and suspicion blur, he must uncover whether she’s a killer or a victim, before the truth costs him his life.