Do Us Part is a short puzzle adventure game where the player controls the newlywed Margerita in exploring the estate of her new, somehow very rich, husband. Of course, a normal, peaceful marriage would not make an exciting fairy tale or game, so things do not go as expected. People might've gone missing in this mansion before. Spooky things might happen. Someone might die. Who knows! Margerita doesn't, otherwise surely she wouldn't be in this position in the first place.

The game is loosely based upon How the Devil Married Three Sisters, with an emphasis on loosely.