The summer before World War II, Saoirse and Aiden meet, fall in love, and have a whirlwind romance. As they begin to prepare for their future together, their dreams are suddenly put on hold, when Germany invades Poland. This, causing for Aiden to enlist his services, and go fight for his country. Leaving Saoirse, and all he loves back at home in London. Their lives will be tested, as they navigate grief, love, and loss, all the while trying to find the true meaning of what it takes to survive in the seasons of war.