"Many areas of London might be under water for days. For example, the Isle of Dogs could be under eight feet of water for six days. River engineers believe that it is not a matter of if there is a flood, but when the flood comes." (Greater London Council)
Martin Ellis (Alan Dobie) is a blocked screenwriter who invites Helen, an actress (Kika Markham), to a hotel in central London to discuss an idea for a play he is writing with her in mind. As they discuss the play, Martin discovers that a businessman and an escort named Carol are sat at a nearby table and appear to be speaking lines from the as yet unwritten piece. Martin becomes anxious at what will eventually become of the girl, already knowing that the play will not have a happy resolution
Un grupo de secuestradores ha tomado por la fuerza un avión británico que aterriza en Escandinavia. El implacable jefe de la policía militar, el coronel Tahlvik, recibe la misión de rescatar el avión y a los pasajeros. Pero el problema crece cuando un segundo grupo de terroristas asaltó la residencia del embajador británico y le toman como rehén. El duelo de voluntades entre Tahlvik y los secuestradores no ha hecho más que comenzar.
