"Focker in law" is the latest installment in the hit film franchise that began with "Meet the Parents." This is the fourth entry in the series, following the previous sequels, "Meet the Fockers" and "Little Fockers." In this new film, we encounter a host of hilarious situations stemming from the relationship between Greg Focker (Ben Stiller) and his eccentric father-in-law, Jack Byrnes (Robert De Niro)—a former CIA agent.