Based on the extraordinary true story of Alec Jeffreys’ discovery of DNA fingerprinting and its first use by Detective Chief Superintendent David Baker in catching a double murderer.

London-raised Ronnie returns to his home in India to discover his mother Suleka has died in mysterious circumstances. As he uncovers a series of similar past murders, Ronnie’s own inner-darkness come to light.

When Tom and Ellen are together, things seem to work. It’s only in the spaces outside the relationship – the intrusions of real life, and the deadly collaboration of parents, siblings, friends and exes – that the flailing attempts to make good first impressions, arrange first dates and hold a relationship together, seem to unravel.

Born to traditional Punjabi parents and growing up in Wolverhampton, Sathnam Sanghera moves to London after graduating from Cambridge University. Now in his late 20s he is planning to reveal to his family that he will defy expectations of an arranged marriage – but instead learns a painful family secret.