Widowed mom Nicole struggles to raise her only child Dion, not knowing the second-grader possesses powers beyond anyone’s comprehension.

Summer brings new jobs and budding romance. But the mood shifts when Dustin’s radio picks up a Russian broadcast, and Will senses something is wrong.

With El and Max looking for Billy, Will declares a day without girls. Steve and Dustin go on a stakeout, and Joyce and Hopper return to Hawkins Lab.