The world-famous elite soldier Master Sensei decides to blow himself up after a series of public scandals destroys his career. However, his plan is put on hold when he meets the young boy scout Piggy, who is in desperate need of help. Piggy is harassed by the bully and influencer, Lanky Lenny, who has stolen Piggy braces in an attempt to shake him down. Master Sensei must now go on one last mission, so he can help Piggy retrieve his braces and fight the evil tormentor Lanky Lenny.