這是真實的警探故事，但卻更像一部節奏輕快、角色鮮明的懸疑電視劇。肩負責任、決心和榮譽，無畏的勇士們致力於伸張正義。我們將跟蹤拍攝兇殺案警探，他們在罪案發生的第一時間爭分奪秒，以趕在定罪幾率減半和破案希望消失之前搜集證據，務必將罪犯繩之以法。在《生日女郎》中，槍手對著人群開火，導致十四歲的少女在生日派對上被殺。
With a fast-paced, character-driven style that's more like a TV drama than a story of real detectives, The First 48 follows homicide detectives during these critical hours as they fight the clock before the chances of getting a conviction are cut in half. The Birthday Girl sees a 14-year-old girl killed at her own birthday party when gunmen open fire on a crowd.
