A riveting police drama about the men and women of the Chicago Police Department's District 21 who put it all on the line to serve and protect their community. District 21 is made up of two distinctly different groups: the uniformed cops who patrol the beat and go head-to-head with the city's street crimes and the Intelligence Unit that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.

With his wedding to Carlos approaching, Tony, a young immigrant to the US, invites his conservative older sister to the ceremony - a fateful decision that forces Tony to choose between his family and his freedom.

A small-time hustler steals a mysterious device and becomes the focus of a government manhunt and a pair of contract killers.

Isaac and Angel are two young Latinos involved in a south side Chicago gang. They have a secret in a world where secrets are forbidden.