Dexter (2006)

Dexter Morgan, a meticulous blood spatter pattern analyst for Miami Metro Police, conceals a chilling secret. By day, he meticulously examines crime scenes, piecing together the stories behind each drop of blood. By night, he transforms into a vigilante killer, targeting those who have evaded traditional justice. Dexter expertly balances his dual existence, maintaining the façade of a dedicated professional while harboring a dark compulsion. He navigates the thin line between law and chaos, driven by a personal code that demands he punish evildoers who slip through society's grasp.