The story began in the early summer of 1942 when 'Tatsurou' met 'Setsuko' at Karuizawa. Its love at first sight but sadly 'Setsuko' was pledged to marry a stranger by her parent. She ran away from her hometown and arrived at Tokyo in search of her love one. War erupted then and Tatsurou was summoned to service. As be set foot on a snow-capped mountain before his imminent departure, they promised to each other to press on until they meet again.