Shirley's granddaughter needs help after she is expelled from her high school for shredding standardized tests. Denny and Alan try to sue the National Guard after a flood destroyed Denny's favorite pizza restaurant. Lorraine decides to tell Shirley and Carl the truth about her past.

Denny is determined to handle a murder trial by himself. Jerry and Katie help a woman sue her husband's divorce lawyer claiming the lawyer's billboards encouraged her husband to leave her.