The Long Firm

A fascinating four-parter, centred on London gangland boss Harry Starks, and starting in the 1960s. The episodes are uneven, and occasionally implausible, but the series is made unmissable by the looming presence of Mark Strong. He is more than a scary thug, though he is terrifying in that role. At times he is stoical, and even tender, so that you can even feel sorry for him. He is countered by Derek Jacobi as a corrupt peer, drawn into Harry's half-baked schemes, with a splendid cameo by Phil Daniels as pathetic drug-dealer.

The London and Essex settings are excellent, capturing perfectly the glamour and seediness of '60s clubland. When Harry goes further afield, to Nigeria and then Spain, it is a lot less convincing. But overall a great series, well worth looking out for.