As Shayla, Alex, and Needles prepare for Zoie's big graduation day from high school during the busy Yule season, their celebration is cut short when one of Zoie's teachers meets an untimely death. Determined to find out who would murder a teacher everyone seemed to love, Shayla and the others race to solve the mystery. It doesn't take long before Shayla and Needles realize the dead teacher may not be as perfect as everyone thought, and soon a knot of secrets and deception slowly begins to unravel. When GiGi gets caught in the crossfire, Shayla, Alex, Needles, and the rest of the gang must band together and figure out how to capture the killer before Enchanted Island loses another beloved supernatural.