All Michael wants is a quiet evening in his new Edinburgh home, but an unexpected visit puts paid to that.
Hattie isn't here to welcome her new neighbour, though. There's something in Michael's attic that shouldn't be there. Several somethings, in fact.
Hattie says they're invisible to everyone but her. Michael thinks she's crazy. But armed with a paintball gun, Hattie's going to prove him wrong.