Part 5/7:
As tensions escalate, Kate seeks out the truth about Esther's past, discovering that Esther is not the child she claims to be. With assistance from a psychiatric institute, Kate learns that Esther is an adult woman who has been posing as a child, having been involved in previous violent incidents. This critical revelation shifts the narrative dramatically and places the family in grave danger.
When Esther learns of Kate's investigation, her malevolent tendencies reach their peak. A series of violent events ensues, culminating in a tragic confrontation that leaves John critically injured and the family in chaos. Meanwhile, Esther's seemingly innocent facade is stripped away, revealing a terrifyingly manipulative and dangerous individual.