Phoebe and fellow American Julian Peters meet in Rome, find a lost dog, and agree to return it to Monte Carlo to split the five thousand dollar reward. Discovering the dog's owner dead, they panic and become fugitives. Other victims of misfortune also become suspects, as the plot twists and luck and judgment desert everyone.
本短片是特吕弗著名的“安托万系列”的第二部，收在集锦片《20岁之恋》中。 17岁的Antoine Doinel（Jean-Pierre Léaud 让-皮埃尔•李奥）对女孩Colette（Marie-France Pisier）一见钟情，做毕一系列“热身准备”，他鼓足勇气向她搭讪，此后两人时常见面聊天、喝咖啡、听音乐会。Antoine以为Colette也钟情于他，做出近乎疯狂的举动对其展开更为热烈的追求，但Colette已有男朋友，只视他为普通朋友。
