In the movie, Jeff and Karen Gaffney, played by Zach Galifianakis and Isla Fisher, discover that their new neighbors, Tim and Natalie Jones, portrayed by Jon Hamm and Gal Gadot, are actually undercover spies. As the Gaffneys become entangled in the world of espionage, they find themselves in various comedic and action-packed situations.
Towards the end of the film, it is revealed that the Joneses are on a mission to retrieve a classified document from an international arms dealer named MBI, who is threatening global security. With the Gaffneys inadvertently involved, the two couples join forces to thwart MBI’s plans.
In the final action sequence, the Gaffneys and the Joneses work together to infiltrate MBI’s compound and recover the classified document. The climax involves a mix of humor, action, and some unexpected twists. Eventually, the couples successfully complete their mission, and the threat posed by MBI is neutralized.
The movie concludes with the Gaffneys and the Joneses parting ways as friends, with Jeff and Karen returning to their normal suburban life, but with a newfound sense of adventure and confidence.
Keep in mind that this summary provides a broad overview of the ending, and watching the movie will give you a more detailed and enjoyable experience with all the comedic and action-packed moments that unfold.