Based on Baek Hee-na's bestselling picture book, the beloved family musical 'Grandma Jangsu's Bathhouse,' which has been adored for a long time, is reborn on the big screen, adding cinematic direction to its stage energy. A moment where laughter, warmth, and memories meet! The mystical story of Jangsu Bathhouse, which resonates with both children and adults, begins anew.