Following the death of his twin sister, Gaspard, a young music teacher, brings together his five former best friends in their deserted childhood school, in the middle of July.

拍卖师安德烈·马松得知，一幅埃贡·席勒的画作在法国东部被发现，这幅画作是纳粹没收的杰作。这件发现可能成就他的事业巅峰，也可能让他走向衰败。在前妻贝尔蒂娜和古怪实习生奥萝尔的协助下，安德烈面临着人生的转折点。