Weve come so far & now the end is near. The journey that began with " Life on Mars" concludes as Alex Drake embarks on her final mission: to uncover the truth about Gene Hunt & unlock the dark secrets of this World. Alex is back only this time its 1983 & something feels different. The arrival of DCI Jim Keats sent by Scotland Yard to monitor the stations performance throws some unexpected light on past events. Haunted by the ghost of a policeman Alex decides that her only hope in getting home lies in finding out what really happened to Sam Tyler.