Not so original subject but well used and energetic at whole.
A sleepy man confuse the door. And the rest room door becomes the door of fancy hotel room. Locked. So, shamed, he runs for a solution, for evit the people and, sure, for key of his room, the basic problem being the nakedness but not only it.
At final, victory , after a dialogue with recipcionist, kind, amable and indulgent, reminding a cartoon granny.
Appreciation for main actor - it is not so easy to expose your body after an age- , for director and for couple beautiful scenes.
And, sure, for the final , pretty nice , especially for dose of realism of story.
