The station adopts a stray dog, which they name Boot. The firemen rescue a boy from a hole; he turns out to be an abused child. Roy and John rescue another boy whose head is stuck in a basement window. Dr. Early extracts a child's arm from a steering wheel. At a brush fire, Boot helps locate an injured hiker, then leaves with a hook and ladder truck.

When Johnny's policeman friend is injured in a car crash, the paramedics can't reach the hospital because another squad is using the biophone. A child with a mysterious malady turns out to be drunk. Roy and John assist at the hospital when the victims of a motorcycle gang war are brought in for treatment. An artist becomes trapped in his own sculpture. A father and son are trapped in a collapse at a construction site.