Insanity

Elsa has a dark past, and moving to Arendelle was supposed to be a fresh start away from all that! But when a cheerful redhead barges into her life, she feels her walls begin to tear down. What happened six years ago? What is Elsa hiding from Anna? Will Elsa ever tell her why she moved to Arendelle in the first place? (Warning: Triggers, smut, etc.)