When a rare phenomenon gives police officer John Sullivan the chance to speak to his father, 30 years in the past, he takes the opportunity to prevent his dad's tragic death. After his actions inadvertently give rise to a series of brutal murders he and his father must find a way to fix the consequences of altering time.

Jimmy Kilmartin is an ex-con trying to stay clean and raise a family. When his cousin Ronnie causes him to take a fall for driving an illegal transport of stolen cars, Detective Calvin Hart is injured and Jimmy lands back in prison. In exchange for an early release, he is asked to help bring down a local crime boss named 'Little Junior' Brown. However, he's also sent undercover by Detective Hart to work with Little Junior and infiltrate his operations. As soon as Little Junior kills an undercover Federal agent with Jimmy watching, the unscrupulous DA and the Feds further complicate his life.

Martin works at the local radio station, which just hired a new scriptwriter with a reputation for great drama, Pedro Carmichael. Martin’s aunt Julia, not related by blood, returns home after many years away and Martin falls for her. Once Pedro finds out about this romance, he starts incorporating details of it into the script of his daily drama series. Soon, Martin and Julia are not only hearing about their fictional selves over the radio, but about what they are going to do next.

In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.