She's gone rogue. Seraphina Newsom isn't looking for vengeance ... she wants justice. Three years ago, Sera's brother was ruthlessly gunned down by one of Brooklyn's most dangerous mob kingpins. The investigation has stalled out, deemed "too dangerous" by the police commissioner. So to track down the evidence she needs to take down her brother's killer, Sera turns in her hospital scrubs, joins the NYPD, and goes undercover. Unsanctioned. Alone.