#1 in 011 #1 in milliebobbybrown #1 in gatenmatarazzo #3 in strange #9 in strangerthings A new test subject escaped from the Upside Down, 000. The first to be discovered by Dr. Brenner. They tested her when she was just 5 years old. Once the gate to the Upside Down was opened, they sent her first, but she never came back. What happens when her fellow test subject, 011, finds out she isn't the only one.