At 3 years old, twins June and Jennifer initiate a lifetime of creepy behaviors. They create their own language to communicate exclusively with each other and span decades without speaking to another human. The girls obsessively mirror their behaviors, even inhaling and exhaling simultaneously. Eventually, a mysterious death leaves us with more questions than answers.

Sources:

https://thenetline.com/june-gibbons-now/

https://allthatsinteresting.com/silent-twins

https://www.latimes.com/entertainment-arts/movies/story/2022-10-02/silent-twins-movie-true-story-letitia-wright

https://en.wikipedia.org/wiki/June_and_Jennifer_Gibbons

https://www.theguardian.com/books/2007/jun/28/fiction.classicalmusicandopera

https://www.npr.org/2015/05/08/405191622/the-silent-twins

Leigh's science publication:

https://www.nature.com/articles/s41389-023-00477-z