60年來(lái)，“外星人劫持”事件屢有發(fā)生，但在2007年7月的一天，隨著一顆彗星飛向地球，引起恐慌的撞擊沒(méi)有發(fā)生，卻是4400個(gè)曾在不同年代被劫持的人一次性回歸地球。經(jīng)過(guò)一系列醫(yī)療觀察，美國(guó)國(guó)土安全局計(jì)劃安置他們，幫助他們回歸社會(huì)，但是這些人身上逐漸開(kāi)始顯現(xiàn)出“特異功能”，他們中有的會(huì)意念治療，有的有的可以“造夢(mèng)”，有的能聽(tīng)到別人思想，但是對(duì)他們來(lái)說(shuō)，如何繼續(xù)生活下去才是最重要的，被“劫持”的一段時(shí)間似乎從他們生命中硬生生砍掉了，世界的變化令他們始料未及，仍有人在追尋“劫持”的真相，似乎有更大的使命在等待他們…… 

　　The team is shocked when Leo Dalton's wife and daughter are killed when a fancy sports car careens out of control and smashes into a café. The police are puzzled by the cause of the crash but believe the driver may have been involved in a identity theft ring when they find several several passports and ID cards in the vehicle. Meanwhile, Nikki must perform urgent autopsies on two bodies found floating in the river.

　　A Time to Heal -The team is called out to Northern Ireland to investigate the bodies of two men killed by paramilitaries twenty years ago. For Sam, it is a case that is soon to turn personal…
　　Death by Water - Tensions are running high in the ‘leaderless’ team as Leo and Harry clash over an investigation into an outbreak of breathing difficulties among children on the South Coast.
　　Nowhere Fast - When members of a race horse owning syndicate are killed in a helicopter crash, Leo and Harry investigate – and an unexpected new face at the mortuary lends a helping hand.
　　Body 21 - Approached by a group of survivors from a recent train crash, the team investigate the wreckage and a new mystery – the identity of the unidentified body 21.

　　Answering Fire - In a suspected terrorist attack on a London hotel a government minister is killed. As Sam and the team investigate the case, old friends and government officials soon muddy the water.
　　Fatal Error - When two brothers are found dead in a police cell, Sam and Leo find themselves on opposing sides of an Old Bailey court case – then a 13-year old murder resurfaces, questioning Sam’s findings…
　　Running on Empty - When a young woman falls to her death, the police believe she took her own life. When Sam, Leo and Harry are called in, their investigations soon unravel a tragic story.
　　Beyond Guilt - As Sam investigates a brutal murder, she is also asked to investigate a professor linked to the case and discovers the case is a lot more complicated than first appearances suggested.

　　一名法醫(yī)在案件偵破中努力確定自己的角色。

　　Sam's cases involve a series of revenge killings by a former Auschwitz prisoner; the mysterious deaths of teenage girls killed 15 years apart in Norway; a suspicious suicide and a beautiful Nun in a convent by the sea - very different stories, all employing Sam's expertise to the maximum.