When an attack on the Kingsman headquarters takes place and a new villain rises, Eggsy and Merlin are forced to work together with the American agency known as the Statesman to save the world.

Salt-of-the-earth Cole falls head over heels for enigmatic Sadie—but then makes the shocking discovery that she's a secret agent. Before they can decide on a second date, Cole and Sadie are swept away on an international adventure to save the world.