A sixth grader navigates the challenges of finding a place for herself in middle school, while her older brother fights an opioid addiction. When their parents decide to send Austin to rehab and Emma to stay with family friends in Wyoming for the summer, Emma seizes the chance to get away.

Feeling left out during a summer marked by her alcoholic mother's deterioration and the family's move to New Hampshire, youngest child Silly discovers her sisters' magical closet, which hides painful family secrets.