Rescue Squad firefighter and former foster kid Zack Stephens is ready to step up his game at work when his boss hands him a cold case for hazmat training. As Zack delves into the case, he uncovers a shocking revelation—his parents’ deaths weren’t accidental. Determined to find their murderer, Zack throws himself into the investigation. But he doesn’t expect his search to collide with Naya, the girl he promised to protect when they lived in foster care together.