Following Fairy Tail's break, Princess Hisui calls upon former heiress, Lucy, to help catch a serial killer who has been hunting in the houses of the wealthy for the last 3 years. With Laxus as her partner, the two attend winter society balls and parties, hunting the hunter. Can they catch him before he kills again? And what will their partnership lead to? LaLu. Post-416 Pre-417 during the Fairy Tail Break Year.