Even at seventy years old, Seiji's sexual desires have not waned, and he finds himself sexually drawn to Hana, his granddaughter-in-law who lives with him. Seiji, a former university professor, passionately argues that sex is a wonderful act by quoting Western literature, but Hana can only blush and look down. One day, Seiji accidentally discerns the hidden sexual urges within Hana and decides to set a trap for her...
