七年过去，卡森终于要毕业了。她突然接到了她七年好友达伊奥的电话，说有紧急情况让她到他家一趟。她没办法拒绝他，于是赶到了他家。她从他父亲的那儿得知达伊奥想从事法律工作。她试图安慰他，但是他却只在啜泣，没有给她任何解释。毕业的三天前，达伊奥带着卡森和他们的朋友杰森到北部的一个海滩音乐节。在那儿他们遇见了帕蒂。在音乐节，他们一边喝酒一边讨论毕业后的打算。卡森这才了解帕蒂是达伊奥的前女友，而且想跟他复合。卡森知道后觉得天都要塌了。她逐渐看清了达伊奥对她没有任何感觉。毕业当天，卡森又接到了达伊奥的紧急电话，邀请她最后再喝一次酒。卡森终于清醒，对于达伊奥来说，她仅仅是一个好朋友而已。

　　

Natalie Chandler's friend hospital sister Logan reports suspected foul play following several deaths on her A and E ward,the last being when a young girl was given a fatal dose of prescription drugs. Chief suspect young Dr. Grant proves to be an unqualified impostor but he implicates elderly,pain-killer addicted colleague Dr. Austen,who was in charge when the other patients die...

New partner Sam Casey joins a grieving Ronnie to find out who shot Matt dead. Sam suspects an accomplice of the recently convicted Mark Ellis but the trail ultimately leads to Jamaal Clarkson,a youngster whose brother Kieran was murdered in 2003,though the police closed the case as a suicide. Jamaal believes they were not interested as Kieran was black and tells Ronnie he knows...