For over eighty years the SBS have sailed into the face of danger. Responsible for quick strikes, reconnaissance, and counter-terrorism, they are the world's foremost marine special forces unit. The SBS risk their lives at sea and on land, undertaking the most dangerous missions. 1943, Greece. As the furious combat of World War Two rages through the Mediterranean theatre, Sergeant 'Tiger' Tiller joins the new and highly secretive SBS, an elite group of military operatives. Tiller soon finds himself fighting Axis forces hand to hand in the Greek islands of the Aegean. This is brutal warfare in an unfamiliar land.