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。antics。of。their。precocious。six。year。old。daughter.。Their。lives。tumble。along,。as。most。families。do,。until。they。must。face。the。grave。diagnosis。of。their。faithfully。and。very。loved。Golden。Retriever,。Semper。Fi.。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.。They。plan。a。community。yard。sale,。donating。all。of。their。most。prized。possessions.。The。family's。grumpy。neighbor。plays。an。unlikely。and。unexpected。part。in。the。ultimate。success。of。the。fund。raising.。Before。Semper。goes。in。for。his。surgery,。he。displays。a。heroic。act。that。almost。ends。his。life.。The。story。unfolds。during。the。holiday。season.