004 (also known as Tessa, named after the Greek name of four (téssera)) is one of the girls that got taken, raised and tested by Hawkins National Laboratory. Together with her younger ''Sister'' 011 she runs away and they got found by Mike, Dustin and Lucas. Together El and Tessa are stronger than alone, they help the others find their friend Will who vanished and got probably taken by something only Eleven and Tessa can defeat... One episode is equal to one chapter. ~ This part takes place in season 1 ~ Sorry if my Grammar isn't good or vocab isn't. English is not my first language and I just try my best.

(Complete) It's the summer before senior year and Mike, El, Dustin, Will, Lucas, and Max hit the road for an adventure they've been planning since they started high school. Between 10 hour driving days, sketchy motels, and corn fields as far as the eye can see, the party goes on a road trip they'll never forget.