Trinity by Terrie Elleard

After the sensational murder trial of a prominent politician's son, Trinity humbly accepts her confinement in the Lowry Mental Institution, protecting Alex and their secret promise. Confusion turns into hopelessness as the years pass by, until one strange day when Trinity suddenly finds herself back out on the streets after a simple identity mix up, and her drug-infused adrenaline ultimately leads to an unrelenting determination.