El investigador Cha Woo-seok recibe un dato sobre un asesinato vinculado a un seguro, pero la informante muere. La muerte rodea a Han Seol-ah.
Cha Wooseok recibe una misteriosa llamada de una informante que afirma tener pruebas de un asesinato relacionado con un fraude. Antes de revelar la verdad, la informante muere. La investigación de Wooseok lo lleva a la Subasta Real y a su subastadora principal, Han Seol-ah, cuyos tres prometidos han muerto en circunstancias sospechosas. Para revelar la verdad, o quizás para ponerla a prueba, Wooseok propone fingir una relación. Al descubrir sus secretos, se da cuenta de que podría haber caído en una red de la que no puede escapar, y que escapar podría costarle todo.
El investigador Cha Woo-seok recibe un dato sobre un asesinato vinculado a un seguro, pero la informante muere. La muerte rodea a Han Seol-ah.
Woo-seok and detectives dig into Seol-ah's past to expose insurance murders, finding an odd pattern among her lovers. Amid doubt, his tenacity grows.
Chair Kim offers conditional succession. Seol-ah gets entangled with Jun-beom, Woo-seok nears her, and wine arrives in a dead man's name.
Hearing a recording of Seol-ah, Woo-seok feels pity and grows curious. The police arrest Seol-ah at the auction, and she resolves to end everything.
Woo-seok suggests posing as lovers, and Seol-ah agrees. Jun-beom consigns a painting to her, tension grows, and Woo-seok faces a shocking truth.
Seol-ah receives a threat and faces danger. Saved by Woo-seok, the two trace links between Paek Jun-beom and Lee Su-ho as Woo-seok is pursued.
Seol-ah traces the artwork fire incident to Chair Kim, learns of Woo-seok's wound, and confronts Jun-beom as Woo-seok probes Jun-beom and Su-ho.
Woo-seok spots links between the artwork fire incident and his sister's accident. Seol-ah follows Jun-beom to his villa, and the truth is revealed.
An unexpected death shakes everyone. Afraid of losing Woo-seok, Seol-ah pushes him away. Back at the auction, she hastens plans against Chair Kim.
Woo-seok and Seol-ah find a lead, but a painting raises her suspicion again. She prepares a final strike and enters the secret vault with Woo-seok.
Seol-ah steps onto the final auction. She and Woo-seok seem to succeed in revenge, but its pain lingers. Another death warns the tragedy isn't over.
Woo-seok and Seol-ah fight to save each other. They embrace their wounds, trying to reclaim daily life, perhaps with something left to protect.