When Alex is discovered to be a spy investigating Sayle's Stormbreaker computers, Mr. Grin knocks Alex out and takes him to Sayle. While Sayle explains to him his plan, Mr. Grin threatens Alex with knives in order to intimidate him and make him reveal everything he knows. Alex manages to escape from their capture and confronts Mr. Grin on a plane full of some of Sayle's Stormbreaker computers. He aims a gun at Mr. Grin and forces him to fly him to London so that he can stop Sayle. As Alex parachutes from the plane, Mr. Grin swerves round to try and ram Alex, but Alex has left the Bomber Boy cartridge from his Game Boy on board (given to him by Smithers). Alex activates the cartridge and it lets off a cloud of tear gas which fills the plane, leaving Mr Grin temporarily blinded. The plane hu