Phaldut Sharma

In Morriston Hospital in Swansea in 1994 a group of ordinary middle-aged Welsh men stepped into the unknown by taking part in the world's first medical trials for the drug that became Viagra.

Nicola Walker (MI-5) and Sanjeev Bhaskar (The Kumars at No. 42) lead this British crime series as London detectives unearthing secrets from historic cold cases.