It's the summer of 85' Lydia Smith and her best friend Heather Holloway work as lifeguards at the local community pool. Heather starts acting very strange after she mysteriously disapeared. She starts hanging around with the local bad boy Billy Hargrove. Strange things are happening in the town of Hawkins, can Lydia find out what's wrong with her friend before it's to late? • • • Season 3 of stranger things