When her true-crime podcast becomes an overnight sensation, a young woman is pulled into the web of a case that may offer a surprising connection to her own sister's disappearance years earlier.

It's been more than 20 years since Marti Reese's sister, Maggie, disappeared. Only eight years old at the time, Marti can't remember what happened, just that Maggie got into a car and never returned. After years of grief and countless false leads, Marti is coping as best she can: abandoning her marriage, drinking to forget, and documenting her never-ending search via a true-crime podcast. But when the podcast becomes an unexpected hit and Marti thinks she's finally ready to put it all behind her, a mysterious woman calls with new information that could lead her down a dangerous path.

For years, Ava Vreeland has been fighting to overturn her brother's murder conviction. After finding strange similarities between the two cases, Ava is certain there's a connection between the murder and Maggie's disappearance, one that could prove her brother's innocence. Together, Marti and Ava embark on a quest for the truth, but the more Marti digs, the more she's shaken by the answers she might find, and what it is she's even searching for....