When David's girlfriend Tess moves into the house he shares with wife Marta, the dynamic that was once a peaceful agreement soon becomes something more.

Repeatedly downtrodden by Tess, Marta reaches breaking point when Tess moves herself into the master bedroom.

Settling for a spot on the floor at the foot of the bed, Marta is forced to listen as Tess seduces David late one night, in a bout of rowdy sex that sees Marta degraded further when she's invited to join in and clean up the mess in this cheating husband threesome story.