Heaton briefs the team on the Skens' plan to ambush a cash van, but Lewis alerts them to a last-minute change of plan – the stolen explosives are to be used to rescue gang leader Wayne Jackson from a prison vehicle on the courthouse run. A high-speed car chase through the London streets ensues, observed from the air by Jack until the getaway car enters a tunnel. The trail goes cold, leaving Lewis in the hands of the increasingly suspicious gangsters.
