After witnessing his boss's murder, Bruce Rankin and his assistant Janie have no choice but to seek sanctuary on Bruce's estranged father's island.They say an Englishman's home is his castle, but for retired General Rankin, it really was a castle, and a retirement home for an eclectic bunch of retired special forces personnel.Invaders force the gardening club, ornithology club, women's institute of knitters, and the pensioners' own navy and air force to defend in their own way.