Its 1970 , the year of the first wizarding war at Hogwarts, and youre a pureblood Slytherin, Severus Snapes beloved girlfriend. You are close friends with the Mauraders, who trust you, they hate that youre dating Severus. Youre also a prolific deatheater, who recieved the mark in support of your boyfriend. None of your friends know youve done this, so its a secret you and Severus both share.