Three British special operators are brought back together six months after their last mission, believing this to be a standard "cleanup" operation in Malaysia.
In an attempt to locate a nuclear weapon in Kuala Lumpur, Section 20 forms an uncomfortable collaboration with Zarkova.
Section 20 heads to Goa, India, in pursuit of the lost nuclear bomb.
Zarkova is the team's only hope for obtaining advanced Russian technology.
After traveling to the Punchan Province, Section 20 makes contact with a DEA agent.
While Mac and Wyatt seek temporary safety in a nearby town, Novin and Zarkova are left to the mercy of corrupt law enforcement.
In order to retrieve an FSB analyst who may have important information, the team sets out on a secret, 24/7 mission in Russia.
The team follows Hassan and the nuclear bag to an abandoned Jakarta mall.
Two Russian outlaws who want cutting-edge software technology go up against Section 20 members.
While fighting Pavel and his Russian team, Section 20 is faced with an immense predicament.