Delphinsommer
A young woman who has grown up in a strict, cult-like religious community begins to rebel during her teenage years, creating conflict in her family.
Starring Anna Maria Mühe, Tino Mewes, Samuel Finzi, Birge Schade, Sophie Rogall, Lena Stolze, Rainer Sellien, Friedhelm Ptok, Esther Esche, Peter Kurth
Watch "Delphinsommer" on Netflix released in 2004. It's a drama movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.