Victory, villains, and violence! A childhood enemy has risen, casting deadly vengeance on our grown-up gang. Meanwhile, in the past, the secret behind Colonel Vance's fabled treasure is finally revealed, but our mismatched heroes aren't the only ones who know. The teenage Grave Robbers come face-to-face with some real baddies for the first time. What's that thing they always say? It's all fun and games until someone gets hurt.