Eliana (Lainy) Henderson, Dustin's older cousin and best friend to Steve Harrington Lainy also lives in Forest Hill trailer park. She met the metalhead when they were both in elementary school and had been friends since. And now during senior year (her first his third) she comes to realize she may have feelings for her best friend. What happens when he's accused of murder, and is being dragged into the drama of the upside-down a place Lainy had tried so hard to keep him away from