In 1943, Japan was being driven into a losing position in the war. Amid the chaos, Ai's younger brother Heiji was drafted to the front lines, feared to have lost his life in battle. However, a year later, Heiji escapes and returns to Ai. Seeing his condition, Ai resolves to protect her brother and hide him from the military's pursuit. Several days later, soldiers arrive at Ai's home, tracking Heiji's whereabouts. This story unfolds the bond of a family during wartime and the emotional conflict between sister and brother. Dramatic developments and intense emotional scenes follow one after another. Even against the vast backdrop of war, human kindness and strength are vividly portrayed. With powerful storytelling and a deeply moving narrative, this production promises an unforgettable experience.