In a secluded forest cottage, Nell has grown up in isolation with her mother and twin sister Mae, communicating in a unique, mangled language. When her mother passes away, a local doctor named Jerome discovers Nell and is drawn to her, while a psychology student named Paula advocates for her to be studied in a laboratory. The court grants them three months to observe Nell in her natural environment, after which a decision will be made about her future.

Nell
A physician in a small rural town stumbles upon a mysterious young woman, Nell, living in isolation in a woodland cabin, hiding a multitude of secrets.