Better Left Buried — Belinda Frisch

Brea and Harmony are two unlikely best friends whose shared grief leaves them searching for the truth behind a disappearance that might be the town of Reston's best kept secret.
 
Outcast by their peers, separated by their parents, and with one of them facing their mother's rapid mental decline,the two look for answers, finding trouble at every turn. Arrest, therapy, and the threat of foster care keep Harmony on the run.
 
No stranger to a difficult lifestyle, Harmony's on-again-off-again boyfriend, Adam, is determined to keep her from reentering the Social Services system that had previously failed them both. Only Harmony doesn't want his help. She wants answers. 
 
Obsessed with her family's sordid past, Harmony returns to the wreckage of her forgotten childhood home where the repressed memories of her father's final night returns with tragic result, proving that some secrets are better left buried.