 Her oldest sister Saki is about to get married, so Fukuko arranges for an inventor, Manpei Tachibana, to do a show at the ceremony using his new slide projectors.A few years later, when Japan is at war, they meet again and start dating, but Fukuko's mother Suzu wants her to marry the man she selects.Manpei tries to help by finding a good hospital when Saki is diagnosed with tuberculosis, but Saki's death only makes Suzu object to him even more.