APB

After witnessing the murder of his best friend, tech billionaire Gideon Reeves takes charge of a troubled Chicago police district and reboots it using technical innovation; Gideon launches the APB app.

When Gideon accompanies Murphy on a ride-along, they see a robbery at a pharmacy and a child is injured; Murphy hears that someone close to her is the leader of a new project that could destroy Gideon's plans for the 13th district.

A security guard, who used to be a cop, uses the APB app before he is killed by robbers; Gideon redesigns a feedback chair to use in the investigation room; Murphy learns that her ex-husband may be watching them.

Officer Brandt's undercover mission to catch the criminals selling armour-piercing bullets on the black market goes awry; a task force led by Murphy's ex-husband threatens Gideon's future.

After a man goes to extremes to get justice for his daughter, Gideon and Martinez use new technology to investigate the case; the assistant state attorney continues interrogating Gideon.

Gideon's father finds himself in trouble; Brandt and Goss try to track down the mastermind behind a huge grand theft auto case.