The hard part is, Cassandra "Cassie" Hunt knew Jay Halstead in the past. Even though she came to Chicago to escape her past, her past does not want to escape her.

A letter changes Jay Halstead's life. Now he must adjust to this new life while also working in the Intelligence Unit of CPD. But how long can he keep this secret a secret before the truth finally comes to light? How can he keep his daughter safe from the life he leads? The characters of Amaya and Olivia are my own, the rest of the CPD characters are owned by Dick Wolf.

After 7 long years away from home, Mia Halstead finally returns back to Chicago after living in New York. An unbreakable bond with one brother and an unsteady bond with the other, Mia finally believes she can start over. But her struggles are never really over. What happens when her past catches up to her? What happens when needs her brother's help? Will she ask him? Or will it be too late?

Em uma Chicago onde Hank Voight cuida para que nenhum criminoso saia 100% impune,o que pode ser mais idiota do que sequestrar um médico que é irmão de um dos integrantes da Unidade comandada por Voight?! Simples, ameaçar um médico que tem relações com três ex-rangers. Will Halstead, Jay Halstead, Greg "Mouse" Gurwitch e Cassy Montenegro quatro amigos que cresceram juntos estavam sempre juntos até que Jay, Mouse e Cassy entraram para o exército, mas não importa a distância que o tempo causou, quando um está com problemas eles vão se unir para mostrar a qualquer um que queira ver que ninguém mexe com os quatro Halstead.