In this comedy of misunderstandings and action, the calm doctor, Dr. Walter S. Matthau, finds himself caught in a whirlwind of chaos when his daughter gets engaged to the daughter of a man who is not who he appears to be. With a perfectly ordered life, Walter has to deal with his eccentric and enigmatic future father-in-law, a retired CIA agent who seems to embody all the espionage stereotypes. From the outset, things get complicated when Walter learns that his future son-in-law has a plan to catch some dangerous criminals.
Amid a romance that could potentially change his daughter's life, Walter is drawn into a world filled with chases, shootouts, and ridiculous situations. What begins as a simple desire to get to know his new family member better soon turns into a high-speed adventure that tests his nerves, his sense of humor, and, of course, his ability to survive.
With an extraordinary cast and a perfect blend of comedy and action, this film stands out for its witty dialogue and unexpected moments that will make more than one person laugh. In the end, Walter not only discovers that his future father-in-law may not be so bad after all, but he also learns valuable lessons about family, love, and, above all, the importance of not judging a book by its cover. All this while problems continue to pile up on the way to the altar. Guaranteed laughs!