A journalist and an architect escape to a remote Scottish island for a romantic retreat, hoping to save their failing marriage after a stillbirth. They arrive at Fairweather Cottage, a place of fond memories, but their relationship is fragile and anxieties rise when the generator and communication fail. A mysterious injured soldier, Private Jack Corman, washes up on shore, carrying a deadly message about a virus sweeping Europe, and insists they seal themselves in the cottage to avoid the fatal disease.

Retreat
A serene island retreat is shattered when a mysterious visitor brings a chilling prophecy of a highly contagious airborne illness sweeping across Europe, threatening the couple's tranquil escape.