這部由Emilia di Girolamo負(fù)責(zé)編劇的劇集講述1992年的真實(shí)犯罪事件 - Rachel Nickell強(qiáng)奸謀殺案。當(dāng)時(shí)警方認(rèn)為Colin Stagg是真兇但卻證據(jù)不足，而無(wú)奈之下年輕探長(zhǎng)決定與國(guó)內(nèi)一名犯罪側(cè)寫(xiě)師合作，并進(jìn)行一次十分大膽的臥底行動(dòng)。Niamh Algar飾演臥底警員Lizzie James，她被指派接近嫌疑犯Colin Stagg并引誘對(duì)方。

　　During the summer, Pacey and Audrey rocked Los Angeles and spent time with her next door neighbors, the Osbournes, and Jack Osbourne even tags along with them to interview at Worthington. Jen spent her time in New York and got ecstatic to learn her parents are separating. Jack got dumped by Eric, but got over it. Joey spent her summer in Capeside doing a lot of reading, working and romancing. On their first week back at Boston Bay College, Jen is shocked to run into find that Grams Ryan has decided to go back to school. At Worthington, Joey experiences nothing but bad luck when she decides to enroll in an intermediate writing class taught by the liberal, but manipulative and cynical, Professor Greg Heston who does not hesitate to ridicule and embarrass Joey in front of the class with her lack of knowledge of the current book topic. Pacey and Jack move out of Grams' house and Pacey tries to get the perfect apartment, owned by a feisty, punk rock British woman, named Emma Jones, who works as a waitress in the local bar Hell's Kitchen. Also, Dawson is working on a new movie, a horror film titled "Wicked Dead" with him as the assistant director and the hack Todd Carr as director. When he finally gets together with Joey, he is the only one to have remembered her 20th birthday.

萊斯利希望在國(guó)家公園管理局的一塊土地上中標(biāo)，但面臨來(lái)自一個(gè)團(tuán)體的競(jìng)爭(zhēng)，其中包括她的新死敵羅恩·斯旺森。與此同時(shí)，安迪和艾普瑞爾擔(dān)心他們現(xiàn)在老了，變得無(wú)趣了。

　　上一季已經(jīng)知道A是誰(shuí)，這一季來(lái)了新的A……