一个男孩因为向父母讨要零花钱失败，去当了自己的手表，却换回一张500元法郎的假钞。之后，这张假钞在很多人之间转手，最后落到了一个叫伊文（克里斯琴·佩蒂 Christian Patey 饰）的年轻人手中。伊文试着去餐馆花掉这张假钞，但被服务员发现了。警察认为他参与了假钞贩卖案而逮捕了他，但法官念他初犯

　　In the Blood, the portrait of a medical student in his 20s and his experiences in what will become the defining summer of his life.