Excited and hungry over receiving a squatter's coupon at an all-you-can-eat buffet, the Hecks head off to church with the intent of hitting the restaurant immediately after the service. But much to their dismay, they find themselves being counseled by guest minister Reverend Deveaux when a family squabble takes place during the sermon, and with all of their pent up issues, they may never get out in time to attend their grand feast.