Sambyaku-rokujugo ya

A young man rents an apartment in Tokyo and discover it was built by his father. He falls in love with the daughter of the mistress of the house and decides to marry her. Only to discover that his father is is in debt and wants him to marry Ranko so that she may help his company by granting 1.5 million yen. Teruko decides to borrow money from a greedy bar owner who lends her money on certain conditions and photographs her without her consent. A love traingle forms between Koroku, Ranko, and Teruko. Things complicate when Koroku marries Teruko and Tsugawa threatens them for the money causing many twists and turns.