Seven people who committed the seven deadly sins : lust, gluttony, greed, sloth, wrath, envy and pride are locked up in a sealed space by someone. These seven people must play a game which is a matter of life or death.
An old couple, their only son, the son's wife, a young man and his lover live peacefully in a village. Then, a terrifying earthquake strikes that causes a nearby nuclear station to explode. The residents must evacuate, but the family lives on a farm, with only half of the area designated as an evacuation area.
Kyoko is a university librarian and she also helps her parents with their drycleaning company. She is involved with a childhood friend from the neighborhood, Kota. He is the son of the local tofu maker and has begun a moderately successful career as a stand-up comedian. A visiting lecturer from Tokyo falls head-over-heels in love with Kyoko and asks her to go abroad with him to Beijing, where he has to spend the next few years for his research. But Kyoko cannot decide.