Jackie Quiñones, a hard-partying National Marine Fisheries Service agent, has her life thrown into disarray when she gets tasked with investigating serious crimes in her popular beach community. As if battling criminals isn't hard enough, Jackie walks the tightrope of sobriety as she tries to stay above a pool of secrets, betrayal and shame from her past. She becomes at odds with Sgt. Ray Abruzzo, an abrasive but effective member of the Cape Cod Interagency Narcotics Unit, until he becomes disgraced and is taken off the force as they both spiral from the stress of their investigations.