Slow Bomb (S04E05)

During a standard security inspection at a nuclear power facility, things take a turn for the worse as Red Troop springs into action against mercenaries who have absconded with a canister of glowing Cobalt 90. With London placed under lockdown, the team must urgently prevent the activation of a dirty bomb that threatens to wreak havoc across the capital. As they navigate this crisis, Red Troop finds themselves on the run, desperately trying to thwart the impending disaster.