Syrin Lark ran away from home when she was six years old and ended in the hands of the Full Moon gang. She was taken in by the boss Leo Lark and raised Syrin as his own seeing as his wife died, unfortunately, too soon. He trained Syring to perfection, to be feared by all and shiver at her name The Slayer but soon trouble came when she was betrothed to the enemy's eldest son Silas Jones to join the two gangs. Syrin has two choices to run or to marry the son of her enemy, she chose to run, while she's on the run and being at her peak of being invisible she bumps into the head of the Cresent Gang Carson King. Syrin's witty attitude and smart comebacks piqued his interest in her and vowed to make Syrin his.