Working undercover as an ex-army officer now supplying illegal explosives, Stone encounters his first girlfriend, Kelly, entangled in an export scam involving contraband arms. Eager to protect Kelly from being implicated, Stone allows his heart to rule his judgement by keeping Undercover in the dark as he manipulates a dangerous sting. It is a risky move which puts Stone's life, and the success of a major operation, at the mercy of an old flame.