Possessing what they believe to be the killer's genetic "fingerprint," David and Alec initiate the world's first "DNA manhunt." But as thousands of samples are tested and costs continue to rise, David worries the operation will be shut down before they can find the killer.

When 15-year-old Lynda Mann turns up murdered, DCS David Baker leads the investigation to search for her killer but struggles to find any worthwhile leads in the difficult case. Meanwhile, scientist Alec Jeffreys works tirelessly to make a breakthrough in DNA research.

A wicked comedy set in Egypt and London in the late 1950s. Lili descends on deeply conservative Monica, who is frantically preparing for her daughter's wedding. Forming an unholy alliance with the groom's mother, Lili prevents a disastrous marriage by causing a scandal that suburbia will never forget.

Berlin, Summer 2011. Adolf Hitler wakes up on a patch of open ground, alive and well. Things have changed - no Eva Braun, no Nazi party, no war. Hitler barely recognises his beloved Fatherland, filled with immigrants and run by a woman. People certainly recognise him, albeit as a flawless impersonator who refuses to break character. The unthinkable, the inevitable happens, and the ranting Hitler goes viral, becomes a YouTube star, gets his own T.V....

With the help of Major Al-Qadir, Drake continues to investigate the mysterious murder of a young Indian-born lawyer. However things get tricky for Drake and his men when it becomes clear that their investigation is stepping on Special Branch's toes.

Three years have passed. Reid is drawn back to Whitechapel to investigate a case made by Jackson and Drake that has condemned his old associate Isaac Bloom to the hangman's noose.

When a young man close to Drake's heart is discovered murdered, it exacerbates the considerable rift that has developed between Reid and Drake, and threatens to throw H Division as a whole into turmoil.