In the Valley of Sin S01 E04 The Sin Eaters

Foster parent Bob Devereaux is targeted by forces at Child Protective Services seeking revenge for a previous altercation. Revealing the classism and dysfunction lurking beneath the town's "Happy Valley" façade, "The Sin Eaters" introduces the heroic CPS whistle-blowers who break from the herd to speak out against the injustice and horrifying retaliation that follows by their superiors.