Covert security company Vanguard is the last hope of survival for an accountant after he is targeted by the world's deadliest mercenary organization.Covert security company Vanguard is the last hope of survival for an accountant after he is targeted by the world's deadliest mercenary organization.Covert security company Vanguard is the last hope of survival for an accountant after he is targeted by the world's deadliest mercenary organization.