Realizing she has been living like a "doll" in a house managed first by her father and then her husband, Nora decides she must find her own identity. The play ends with the famous "door slam" as Nora leaves her family to seek her independence.
The stranded girls struggle to find a permanent shelter as winter approaches. They eventually discover an abandoned cabin in the woods, which they tentatively call "The Dollhouse." This discovery brings a temporary sense of relief but also introduces new, eerie mysteries about the cabin's former inhabitant. [S1E3] The Dollhouse
If you are referring to the concluding chapter of Ibsen's play (often studied in three parts), the story reaches its climax here. Realizing she has been living like a "doll"