Summary: Two sisters and their lovers try to make sure their older sister (played by Sybil Danning) is deflowered by every man in town. They make a potency pill so every man chases her, but the use of the pills turn into a disaster. (imdb)

AKA: Don't Tell Daddy

AKA: Naughty Nymphs

Genre: Comedy

Country: Switzerland, West Germany

Directed By: Franz Antel, Michel Caputo

Written By: Hans Billian, Gretl Löwinger

Starring: Sybil Danning, Christiane Maybach, Alena Penz, Eva Garden, Sascha Hehn, Erich Padalewski, Claus Tinney, Wolfgang Jansen, Gernot Möhner, Thomas Hörbiger, Rinaldo Talamonti, Josef Moosholzer

More information at the Internet Movie Database