
In a television first, Chief Eric Winstrom allows a film crew to capture the entire operation of the Grand Rapids Police Department. From twisted high-stakes homicide investigations to adrenaline-fueled patrol stories, nothing is off limits.

After the murder of 15-year-old Milli Penn, Grand Rapids detectives investigate the masked shooter, rumored to be another teenager linked to a fight club. Then, another shooting strikes and detectives must solve the case before more lives are lost.

After a gunfight on a party bus, Detective Katie Roszkowski — leading her first homicide case — must figure out how a brawl escalated to homicide.

Grand Rapids detectives investigate a victim with a history of domestic complaints. The shooter claims self-defense, but her actions raise doubts.

A jail informant tips off Grand Rapids detectives to an accidental overdose that looks suspiciously like murder.