本片讲述了7名警察的故事，深入而细致地揭示了他们的内部世界——友谊、聚会、共同兴趣等，他们的小小封闭世界看似完美，但当他们其中之一被神秘杀害后，一切都发生了变化，警长理查德｀金受命调查，他发现犯罪的真相与手握重权的顶层有牵连??

　　John Day is a bank manager and lives with his wife Maria Day. The couple has recently lost their only daughter. Maria is always depressed and never opens up with anyone. One day when John is away for office work, a courier-boy enters the house and takes Maria as a captive, then a series of misfortunes start to happen.