La passerelle (1988)

A single mom meets a man under some less-than-ideal circumstances in the French drama La Passerelle (1988). Jean (Pierre Arditi) is enjoying the night air au naturale (that's French for "nude") out on his terrace when his neighbor's young son, presumably spooked by his naked snake, falls from the balcony three stories above and is severely injured. Feeling guilty over the accident, Jean goes to visit the boy in the hospital, only to strike up a flirtatious relationship with his mother Cora (Mathilda May). Speaking of going bare, Mathilda shows off her nudity hall-of-famer credentials by going fully nude twice--including one excellent full-frontal scene-- and bares butt in a weird scene where a kid in a neck brace spies on her and her lover sleeping naked in bed. Mathilda May erect an Eiffel tower in your pants.