Mizusawa Asako has been living under the constant nagging and criticism from her mother-in-law, up till the old woman's death two years ago. Just when she can start to relax and enjoy being the mistress of the house, her only son informs her that he is marrying a girl named Ririka. Both Asako and her husband, Hiroyuki, are against the marriage, but to no avail. Thinking of scaring Ririka, Asako tells her that they will accept her as their daughter-in-law, on the condition that the newlyweds move in with them.
