Through flashbacks, Full English Breakfast follows the violent career of Dave Bishop (Dave Courtney) a small-time London villain who kills his way to the top of Britain's drugs empire. Now happily 'retired' on the Kent coast Dave becomes embroiled in a bloody battle of wits with Al Qaeda terrorists who want to take over his criminal empire. Adding to the old mobster's woes is his younger trophy wife (Lucy Drive) wanting to play away with his new driver (Jamie Bannerman).
Haunted by the chemical attacks that claimed the lives of his family, a Kurdish sniper flees his homeland in search of a better life in the United Kingdom. However, he is caught up in a terrorist plot.