Chuck has yet another cryptid hunt he wants to go on. Emily has told him countless times she doesn't want to go on anymore of these hunts. So imagine her surprise when he doesn't invite her but instead invites Sebastian, the cool guy Emily is always bumping into in the hallway at school. This won't stand but what the trio of teens encounter on their hunt when the sun sets will make Emily wish she'd stayed home. Beware the Gloaming!