Moose Flanagan, who lives on Alcatraz along with his family and the families of the other prison guards, faces new challenges when his father is promoted to Associate Warden. The Flanagan's apartment catches fire and Moose and his friends need to find out who started the fire.

When Emily Elizabeth and Clifford visit Clifford's brother, Nero, a fire rescue dog, Clifford demonstrates fire safety and helps to put out a fire.