After completing the previous season of her true crime podcast, barista Joss Miller is ready to hang up her microphone for good. But when she meets Lily Hartman, the widow of a renowned choir director found dead last Christmas Eve, Joss's sense of justice won't let her walk away.

Joss soon realizes that quite a few people—including Lily—have something to hide. Her detective boyfriend isn't too crazy about her diving into another cold case. The closer Joss gets to the truth, the more she must confront her own past traumas and decide if pursuing justice is worth the risk.