Sylvia im Reich der Wollust (Joy of Flying) (1977)

Sylvia (Corinne Cartier) is a young, attractive girl, who runs a successful fashion boutique. Her private life, however, not at all successful. Her boyfriend is more interested in TV and six-packs than the charms of the opposite sex. Driven by frustration, Sylvia finally embarks on a weekend skiing-trip that will change her life completely… Also stars Olivia Pascal, Betty Vergès, Ajita Wilson & Gianni Garko.

Alternate Titles
C’est à vous tout ça
Erotic Ways
Freude am Fliegen
The Joy of Flying
Sex at 7000 Feet