A true story of a family and town's effort to save a beloved and heroic dog named Semper Fi. The father, a Captain in the US Marines and his homemaker wife, contend with the "not so earth shattering" problems of their twin, fifteen year old daughter and son as well as the six year old daughter. Their lives tumble along, until they must face the grave diagnosis of their very loved Golden Retriever. The family cannot afford the expensive surgery the dog needs. The children jump into action with a plan, spear headed by the fifteen year old daughter.