sentences:  The Australian government arranges for its citizens to receive suicide pills or prepared injections so they may end their lives quickly before there is prolonged suffering from radiation sickness.An Australian naval officer, Peter Holmes (Anthony Perkins), and his wife, Mary, who is in denial about the impending disaster, have a baby daughter.Assigned to travel with the American sub for several weeks, Peter tries to explain to Mary how to euthanise their baby and then herself, should he not have returned when the end comes; Mary reacts very emotionally to this prospect.