阳光明媚的日子里,一群年轻人乘巴士来至郊外野营、游玩。一对情侣安吉和伊娃(Ewa Konarska 饰)骑着摩托也来到这里,在其他年轻人的营地附近驻扎。在离开的这天,年轻人们的巴士最先离开,不久后安吉的摩托跟了上来。但在超车的时候,捆好的帐篷从摩托上掉下,两人没有发觉,直到开出很远才发现。安吉认为没有必要,而伊瓦坚持返回寻找。 他们沿原路返回,看见巴士停在路边,两人上前询问,却受到司机和青年们的刁难。要回帐篷的条件是,以伊娃作为交换……A young couple leave a lake campsite on motorbike at the same time as a bus full of youths. The boy accidently loses a tent along the road which is picked up by those in the bus who offer a trade of the tent for his girl.