Burn the House Down plot
The Mitarai family has been running a hospital for generations. Thirteen years ago, their home and clinic burned down. Anzu Murata's mother was accused of burning it down. However, Anzu is convinced that her ailing mother has been wrongly accused. She, now an adult woman, decides to go undercover as a housekeeper in her parents' house to collect evidence about the fire. There is a possibility that the cold mistress, Anzu's stepmother, has ruined her family.