Severed Shadows

Tilly Lovec was Allison Argent's guardian from the time that they were small. But protecting Allison meant keeping secrets, and it led to a falling out between the two friends that was never resolved. After Allison's death, Tilly travels to Beacon Hills in order to avenge her friend, wary of the McCall pack and an unruly beta named Brett as she tries to follow Allison's new Code.S4