Malcolm and his family goes to Hals father's house for a reunion. The family doesn't like Lois. Reese and Dewey try to get in their grandfathers will. Malcolm's grandfather takes a special interest in him, while the young cousins love Francis.—Anonymous
When Hal's family's mistreatment of Lois goes too far at a family reunion, the boys plot revenge; Hal tries to confront his father about their relationship and Lois' mistreatment; Reese and Dewey come up with a plan to manipulate their grandfather; Francis finds out the hard way that the kids at the reunion are a real burden.—egunderson24