Valeri Ross

The rookies become the prime suspects after it is discovered a large sum of money used in a drug bust has gone missing.

An unusual personal obsession is at the center of a BAU abduction case. Meanwhile, Hotch struggles with his return to work.

A murder weapon is found during the city's gun recovery program, prompting detectives to take another look at the accidental 1987 drive-by shooting of a little girl.

While processing a crime scene, Danny is suddenly attacked by a suspect hiding in the victim's closet. The ensuing chase leads them to a crowded New York subway where the suspect, an undercover cop and Danny all fire shots. When the smoke clears, the team is left with a dead cop, a missing suspect and Danny under investigation for the possible murder of the officer. Mac must prove who killed the cop in order to save Danny's job. Meanwhile, Stella investigates the death of a nanny killed in a Central Park restroom.

Sheldon, Missy and Georgie adapt to new living arrangements; Meemaw opens a gambling room.

Finch tries coming to grips with his dad's engagement to Nina.