Night at a Lost Carriage [Grelliam]

One early autumn night, Grell and William go out on a romantic outing. During their stroll in a wooded nature trail, the couple discover a carriage just off to the side of the path. The carriage is old and appears to have been abandoned long ago. Grell, the adventurous type, takes a look inside. Will reluctantly follows. However, once they are inside, the door slams shut behind them and refuses to budge. But as unexplainable events follow, getting locked in is only the beginning.