

In her past life, Mia Blair mistakenly believed Nick Judd was the man who saved her life. She fell for him completely, only to be betrayed and destroyed in the end. Given a second chance at life, she vows not to repeat the same mistake and to cherish the man who truly loves her.

Yeon-Woo, the heir of the organization Sipgangpa, disguises herself as a boy to infiltrate an all-boys school and eliminate the heir of the rival organization Makgangpa. However, as she catches the attention of a handsome trio, romance begins to blossom in her used-to-be noir life. One of the three is apparently the heir of Makgangpa—will Yeon-Woo be able to complete her mission without falling in love?