When a girl from Summer McPhee's school named Missy Reynolds is accused of stealing things from around Ocracoke Village, Summer doesn't believe it. Summer sets out to prove Missy's innocence. However, in her zeal to help, her investigation backfires, and it appears that maybe Missy Reynolds is guilty of what they say. Even so, Summer still believes the girl is innocent. With the help of her friend Angie, she tries one more time to catch the real culprit. Everyone is surprised when they uncover the real story of The Midnight Skulker.