Looks at what goes on at a fire department, discussing the work of firefighters, their training and equipment, and the importance of fire prevention and safety.
Billy spends time with his "second family" at the Floral Avenue firehouse where his mother works, and dreams of growing up to be a firefighter just like her.
Text, labels, cutaway artwork, and diagrams provide an overview of how technology is used at a fire station, discussing alarm calls, a firefighter's suit, fire engines, special incidents, extreme heat, and other related topics.
After Mercy the pig spends the night in the Watson's bed, all three awaken with the bed teetering on the edge of a big hole in the floor and it is up to Mercy to save them.