From a torturous cell in Africa, Abel Powell is released and given the chance to regroup his team of skilled mercenaries for one last job. A top scientist will guide them half a mile underground through an ex-Soviet bunker to extract the vital specimens and information being paid for by a mysterious backer, but what they seek should never have been found!

An old firm leader returns to Green Street for Revanche after receiving a call that his little brother was killed, but is he able to cope with a new type of hooliganism and can he find his killer?