Security team 'Safety First' accepts its biggest challenge so far: guarding the famous electronic music festival Tomorrowland.

Elise and Didier fall in love at first sight, in spite of their differences. He talks, she listens. He's a romantic atheist, she's a religious realist. When their daughter becomes seriously ill, their love is put on trial.

Five close friends, all of them married, share a loft to meet their mistresses. One day they find the body of a young woman in the loft. Since there are only five keys to the loft, the five men begin to suspect each other of murder.