C plays mahjong with her neighbor and drives B out.
Scene 1: On the park
A is walking in the park and found out an old man B is sitting on a rock with. B looks really poor and board so A walk toward B and asking what happen. B says that he used to have a really friendly and kind wife, but after a car accident, he lost his wife.
Scene 4: In the house
B and his wife C is walking hand in hand across the road. They seems really happy. A car appear and hit C.
A is really sad about what B suffered. But B said in fact, his wife did not die after the accident, she became a disability. B takes good care of her, her family members want her to divert attention to another thing. So C learns how to play mahjong. Soon, C plays mahjong with her neighbor in the house but B doesn't know how to play. So B is drived out from the house.