Ranch hand Rocklin arrives in town to start his new job but his employer has been murdered and the locals don't seem too friendly.

　　尽管父亲是著名的婚外情调查专家，尽管见识过了无数的忠贞感情最终化为泡影，艾莲（奥黛丽·赫本 Audrey Hepburn 饰）却依旧对爱情有着无限的期望和憧憬，她甚至觉得，只有那些明知不道德却还要迎难而上的恋情才能算的上是真爱。一次偶然中，艾莲结识了父亲的调查对象法兰肯（加里·库柏 Gary C