A father, two kids and an everyday game: The kids challenge the father to “see who gets there first,” as they leave their apartment on the seventh floor of the building, down to the first floor. The father will take the elevator and the kids will go down the stairs. But today, as the father reaches the first floor, he realizes that there is no sign of the kids. Where are they? The game has suddenly given way to a maze-- a seven-floor mystery. Everybody is a suspect and everything is suspicious in this engaging thriller. The father will give all he has and all he is to find his beloved kids.