When 30-somethings Sam and Jamie lock themselves out in the communal stairwell they're forced to consider that maybe they aren't as close as they thought. When 30-somethings Sam and Jamie lock themselves out in the communal stairwell they're forced to consider that maybe they aren't as close as they thought. When 30-somethings Sam and Jamie lock themselves out in the communal stairwell they're forced to consider that maybe they aren't as close as they thought. When 30-somethings Sam and Jamie lock themselves out in the communal stairwell they're forced to consider that maybe they aren't as close as they thought.