Best friends, Bodil (37) and Isabel (35), attractive, successful and seemingly happily married, once in a while go away together for weekend to have secret affairs. They use each other as alibi and always make sure they have their stories straight. They prepare credible plans and specific details so they’ll never contradict each other. But then Isabel is murdered at a time and place where they were supposed to have been together. Bodil gets caught in her own web of lies.