曼城的一位警探 Sam Tyler 在办案中被车撞倒在地,从昏迷中醒来后发现自己的4×4车变成了30年前的款式,车内有把他调到曼城警署的文件。原来他回到了1973年,还是在同一栋楼里办公,成了另一个警探 Gene Hunt 的下属,Gene 是 DCI (Detective Chief Instpector),Sam 是 DI (Dectective Inspector),他们俩象是组长副组长的关系,手下还有几个警探,包括制服女警 Annie (WPC Woman Police Constable)。。During WW II, a young German woman is separated from her family and imprisoned by the Nazis. After being freed she falls in love with and marries a German officer. When Berlin falls to the Russians, and her husband killed, she flees to America, carrying his unborn child, all the while not giving up hope that she will find her family, tied together by her mother's ring。