A Stranger Things Fan Fiction. What happens when Steve Harrington's little sister was caught in some very messed up shit, when one of her friends, Will Byers goes missing. Caytlinn "Cay" Harrington, along with Dustin Henderson, Mike Wheeler, and Lucas Sinclair, try to locate their friend when they stumble upon a superpowered girl. However, when it comes to Steve's babysitting skills, it changes, when Caytlinn knocks some sense into him. Some actual sense that makes him realize what a real big brother is. Seasons 1 - 4 Complete I don't own any of the characters from Stranger Things, only Caytlinn Harrington, and my other characters which come in later. All rights go to The Duffer Brothers.