Greg Focker, who constantly finds himself in awkward situations, does everything he can to marry his beloved. However, after meeting her parents at the wedding of their other daughter, this task becomes difficult. The problem is that the bride’s father, former CIA agent Jack Byrnes, is not in a hurry to give his consent to the marriage. It even gets to the point where the distrustful father tests his future son-in-law’s honesty on a lie detector.