What if Magnus has a sister who was half shadowhuner and half warlock and what if she stole Jaces heart long before Clary could get the chance.

Adelynn doent belong in one world or the other, neither knows she really exists. she is both ShadowHunter and Warlock but what happens when they find her. they know a about a girl like her but not who she is. what will happen when she crosses paths with Jace, Clary, Isabelle and Alec? what will happen when they find out who she is, and when her father finds out that she exists? shes used to being alone but it wasnt always that way. one Shadowhunter takes a likeing to her becasue he think he remembers her from years ago, his friend that disapeared mysteriously. ShadowHunters and everything related belongs to Cassandra Clare and the writers of the show