The military action drama returns, and Stonebridge finds himself struggling to adapt to a career outside Section 20. Meanwhile, Captain Rachel Dalton (Rhona Mitra) has replaced the late Captain Eleanor Grant, Scott is sent to rescue a British diplomat and junior attache kidnapped by militants loyal to Somali warlord Huseyin Waabri, and billionaire Conrad Knox (Charles Dance) is making plans that spell trouble for the intelligence operatives. With Philip Winchester and Sullivan Stapleton.