一个偶然的机会,长期失业的马修认识了马克——个一安全器材公司的董事长。他们间之可没有一点儿相似。马修发现装西领带后的马克在生活中却充满大了大小小的问题:公司运转不良、家庭面临危机。而马修自己正着找急到一份新工作。两人都决定到部南去,但他们的汽车却在亚尔丁锚抛了。这可真是一场灾难,因为修马和马克可不是天生一对。不得互不相面对,两人却越来越亲近,难这道不是了不起吗?Mathieu and Marc were just not meant to get along. They are different in every way: Mathieu has been unemployed for years and Marc runs a company that specializes in the sale of police and fire fighter equipment. As a result of an accident, Mathieu discovers the flaws hidden by the suit and tie his "host" wears. It\'s just that for Marc, life is far from rosy... Rotating siren light sales, his key business, are stagnating, and his wife has left him for a dentist. To avoid impending bankrupcy, Marc has one last hope, to participate in the Ardennes police association\'s annual ball to give a rotating siren light demonstration that could boost sales. Mathieu, who wants to help, offers to go with him. The escapade is just as much a disaster as it is an opportunity to drop pretenses. Yet, dropping one\'s guard and being vulnerable for an instant can also have a few advantages...