Mio and Maki are sisters who, after losing their parents, inherit a vast fortune and begin living alone in a mansion. Two men and a lawyer approach them with hidden motives, aiming to take both their wealth and their bodies. The men confine them, restrain them, and subject them to abuse as they search for the official seal required to access the inheritance. Is there no hope left for them to resist?

The film tells the story of a Drive-In worker and a young tramp who has been left alone by her boyfriend somewhere in Hokkaido. Things seem to work out at the beginning but as time goes by the newly formed relationship between the tramp and the Drive-In worker starts to show the workers harmful will of possession, which finally leads to the somehow sad but also optimistically interpretable ending.