A quiet Memorial Day weekend erupts when SWAT is called in to subdue a home intruder, whose startling method of entry leaves the team scratching their heads.

Detroit SWAT goes after a barricaded gunman with apparent mental health issues not taking medication. "Diesel" is taking a college course. "Old School" suffers an injury at a breach looking for ATM thieves. "Ricochet" gets a team tattoo.

Detroit SWAT have a mobile mission of a truck that has been carjacked and the woman driver is being held hostage. Officer Johnny Baker runs the Dallas Police shooting competition and plans to get the gift his eldest son has asked for.