Unmarried Couples: A Comedy That Will Break You Up

Attempting to end their near-constant quarreling during the holidays, longtime lovers David (Peter Dalle) and Marie (Lena Endre) agree to spend their Christmas vacation in the mountains with their lovebird friends, Sara (Suzanne Reuter) and Samuel (Johan Ulveson). Soon enough, the simmering bad blood between David and Marie begins seeping into Sara and Samuel's normally blissful relationship, until both couples are at each other's throats despite repeated attempts to defuse the tension.