The Legacy (TV Series) (2014) aka Arvingerne
A wife screws her husband’s brother and almost gets caught when her husband returns in the middle of their screw session.
Actors: Trond Espen Seim
Varg Veum – Falne engler (2008)
A rock band vocalist hires his old friend, a private investigator, to spy on his wife whom he suspects of infidelity. The private dick ends up banging his wife himself.