Tuning (2005)

After cheating on his wife with a prostitute, Peter must try and forge ahead with his idyllic family surroundings while carrying the guilt, but that doesn't stop his wandering eye or the temptation to do it again. Meanwhile, his wife Katarina receives mysterious text messages that might be indicative of her own indiscretions. As the two drift further apart while living in secret, their teenage daughter takes after their behavior while exploring her own sexuality, careful not to divulge too much information to her parents. A portrait of a family in a constant state of calm before the inevitable storm of discontent and discovered lies.