"If you love her, you die." Insurance fraud investigator Cha Woo-seok tracks the deaths tied to alluring auctioneer Han Seol-ah. After her colleague dies and her past lovers are revealed to share the same fate, he suspects she may be a victim. Posing as lovers to uncover the truth, they discover shared wounds and are drawn into art forgery, insurance fraud, and murders born of greed and obsession.