When his increasingly depraved behavior spirals out of control, Marcus retreats to his family home along the New England coast. But instead of finding solace, Marcus is haunted by his darkest fears and deepest desires.

侦探雷.洛伦茨回家时发现妻子正在和小提琴教师菲利普偷情。雷冲动地绑架了菲利普，于是二人踏上了一段充满了意外启示与救赎的旅程。协奏曲是一个关于男人在充满暴力的世界中找寻到一丝宁静的故事。