Doug and Lexy Monroe are a newly married couple that lost their lives in an airplane crash. Immediately after they arrive on the 13th floor of a hotel (a ghost floor, because the hotels only have 12), where Mr. Shepherd explains that on account of an accidental jurisdiction crossing between Heaven`s supervisors, they must return to Earth to help people until Mr. Shepherd`s bosses decide whether they go to Heaven. Meanwhile, their souls will live this test of time, both will live on the 13th floor like a temporal house in the waiting for the final resolution. Acting as personal supervisor, Mr. Shepherd will give control to Doug and Lexy on their different missions, hoping that they make a good job for them both go to Heaven someday.