Betsy Hume

During a Whiton University's pledge week, the carefree partying turns deadly when brutal murders start befalling the students, sending Ellery into a race against time to uncover the truth behind the school's dark secrets and the horrifying meaning of a recurring symbol: a single exclamation mark.

Kara and Jessie are two teenage girls from very different worlds, but with a little Christmas magic, they find they have much more in common than they ever imagined.