Our adventurers have arrived at Lockwood Stables, where they've encountered horse-like aberrations which urge the group to ride them! As the group's sanity slips away in this alien place, the group finds a barn with a strange pool of blood on the ground and eerie forms on the ceiling. Just what are these things they're finding, and why was this place chosen as a base of operations for these foul beings from beyond time and space?