"It's fall 1985, and Dustin Henderson is starting his freshman year at Hawkins High School. After the tragedy at the Starcourt Mall, he's ready for life to return to normal, but things feel different. Some friends have moved away. Others are still in town but growing distant. Dustin thinks entering a science competition will make everything like it used to be, but will Lucas and Mike join him? Or will he have to rely on a charismatic metalhead named...