The Sex Thief
Die Beischlafdiebin (original)
Petra professionally works as a thief abroad to finance the studies of her younger sister Franziska in Germany.
Starring Constanze Engelbrecht, Nele Mueller-Stöfen, Wolfram Berger, Richy Müller, Nadeshda Brennicke, Karl Knaup, Bernd Tauber
It's a comedy and drama movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.