Sooin desires to break free from an abusive relationship, but feels trapped. Meanwhile, Chi-hwan, a vampire who cannot consume human blood, has made a habit out of drinking other vampire's blood instead. Serendipity brings them together and Chi-hwan offers Sooin a tempting deal – he'll assist Sooin's escape from the oppressive situation in exchange for being allowed to drink Sooin's blood. Will accepting Chi-hwan's proposal prove to be a positive turning point for them both?