![](https://image.tmdb.org/t/p/original/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![](https://image.tmdb.org/t/p/w342/gydXphsV870HdOOH97g14L2ZXNV.jpg)
End of the Line
The UCOS team reinvestigates the murder of an unnamed vagrant strangled on a tube train 15 years ago when DNA tests on a suspect in a warehouse robbery reveal him to be the dead man's son.
![](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![](https://image.tmdb.org/t/p/w300/6LihRf8EiBIFatyHzI8SuJiWCnR.jpg)
![](https://image.tmdb.org/t/p/w300/fF35haWVa6sQLMay6VGFo36Ffrd.jpg)
![](https://image.tmdb.org/t/p/w300/sx8XWXn1OWPe3j8I5qUqXagAGbR.jpg)
Other episodes for this season
![Old Fossils](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![End of the Line](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Lost in Translation](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Setting Out Your Stall](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Moving Target](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Objects of Desire](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![The Gentleman Vanishes](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Only the Brave](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Half Life](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
![Tiger Tiger](https://image.tmdb.org/t/p/w300/c3UQ6G23nVwsXKkWiQJzEoUjwzf.jpg)
The UCOS team reinvestigates the murder of an unnamed vagrant strangled on a tube train 15 years ago when DNA tests on a suspect in a warehouse robbery reveal him to be the dead man's son.