When teen Alison "Ace" Wale's mother is tragically murdered, her father, a police officer, finds three suspects he believes are responsible. But Alison knows they didn't do it, and without adults she can talk to, she must set out on her own to find who did. To protect the innocent, Alison hides the suspects in the forest while she looks for evidence of the real killer. But when she discovers a terrifying secret about another police officer, Alison has to fight against the clock to crack this case before the killer strikes again - or the next victim might just be her.