Kim Si-on

A corporate heir with an artificial heart meets a woman who's literally electric. They strike a deal that makes his heart beat — in more ways than one.

Stripped of her family and forced to endure a cruel living hell, Park Yoon-hee survives as the heir of the Black Tiger clan under years of abuse from her psychopathic stepfather. While secretly preparing for revenge, her life changes when Kim Tae-woo, the fearless heir of the White Tiger clan, appears before her. The moment she realizes his one-sided and blind devotion, Yoon-hee makes a decision—to use his love to destroy her stepfather and reclaim her stolen legacy. But what begins as calculation soon takes an unexpected turn. Revenge or love—at the end of her choice, will Yoon-hee finally find her freedom?