Sparrows Dance (2013)

Few and far between are movies that take place in a single apartment - and do it well - but Sparrows Dance is one of them. A blonde former actress (played by Marin Ireland but has no name in the film) is agoraphobic and hasn't left her apartment in more than a year. She doesn't let anyone in either, instead asking delivery men to leave the food at the door, sliding the money underneath instead. Her careful routine (movies, exercise bike, order takeout) changes when her toilet overflows and she's forced to call a plumber, who she gets the hots for. He comes over for dinner once, then again and again, slowly breaking the woman out of her shell - and out of her clothes! We get a good look at her butt when she hops out of the shower, then we see her left breast when she's in bed with the plumber! Sparrows Dance will have you getting out of your pants.