Karen, who married a husband with a stepchild, was desperate to become a real mother. As she tries to build a good relationship with her suddenly new family and son-in-law, she sometimes gets into trouble with the parents of other classmates. Still, Karen spends her days believing that there will be a happy family ahead of her. However, one day, she was told that her son-in-law had been involved in an accident while on a trip to which her guardian had invited her. ``If it's for my son and my family...'' she accepts the act, feeling humiliated, but...