Sinb : lawyer, daughter of a ceo Yerin : retired detective, daughter of a ceo, but her parents already died, shes in a relationship with sinb Yuju:doctor, will help yerin to find justice for her sister Heechul : stepdad of sinb, Powerful ceo   DONT TRUST PEOPLE EASILY   Sinb, trying to know what and who the reason why jessica , her sister died Yerin, getting some revenge for the person/people who killed eunha, her sister

Sinb snd sowon in eunha and yuju's pov