From Gwinnett County, GA; Las Vegas, NV; and Travis County, TX.

A police helicopter helps catch a fleeing suspect; officers are called to roommates fighting; and a park ranger calls officers about a drunk man in a park.

Barnaby and Jones investigate when the body of a mother is pulled from the river during the local Oak Apple carnival. Closer inspection suggests the drowning was deliberate - and as the detectives find out more about the villagers, they learn the killing could be linked to the death of the victim's daughter eight years previously.