Happy Holidays aka Betty et Berta (1979)

"Happy Holidays" (also known as "Betty et Berta") is a film released in 1978, directed by Alan Vydra. The film was produced by Beate Uhse and filmed in Hamburg and London, with a runtime of either 60 or 90 minutes. It features a mix of British and continental European actors. The storyline follows Claudia Mehringer, who is first seen in Trafalgar Square before engaging in intimate activities with her boyfriend. She later travels to the continent by ferry, where she has a sexual encounter in her cabin. In Hamburg, Claudia stays with the Stiller family, participating in family dinners and later seen engaging in masturbation in her bedroom. The narrative also includes the young sister of the Stiller family, portrayed by Dorle Buchner, who appears to apply for a job and engages in a lesbian encounter with an older woman. The blonde daughter of the family, played by Barbara Korneck, is depicted in a sexual scene with a male partner. Additionally, a character played by Helen Thomas visits a sex therapist with her boyfriend and assumes a submissive role under the watch of an older man. The film concludes with Claudia returning to London and participating in an orgy involving several performers known from 1970s UK adult films. Additional information and corrections have been provided by a user identified as beutelwolf, with further reviews available on IMDb.