I watched part1 last night, thought it was pretty good but the missus thought it was a bit violent for her so will probably have to watch the rest of it on my tod!
It's called The Fear and it was on channel 4, a 4 part thriller about a semi reformed and retired gangster in Brighton who gets pulled back into the underworld because his son did a deal with some Albanians who traffic women and drugs. Only watched the first part, so far but it's pretty good!