Spy is the first mission in ArmA: Royal Flush campaign. Here, the Black Element PMC team is sent to the north of Sahrani to find an informant which should have information about the rebel forces in the area.
However, the rebel forces show to be a formidable opponent. Soon after insertion, the helicopter which provides the air cover is shot down while the team finds itself under fire from all sides. After a firece firefight the team finds the spy to gather information from him.