An armed man is abducted by three masked men.

He tries to fight his way free but is eventually outnumbered and forced into a van.

Scola and Nina debate how to handle risk now that they're parents.

Stuart and Tiffany get called in to investigate a body dumped on federal land.

The guard was Mike Rosen, a retired FBI agent that Isobel and Jubal knew.

Rosen worked for an armored car company.

Tiffany tells Scola that she's finally seeing a psychologist to deal with Hobbs' murder.

The team discovers where Rosen had been held and tortured in a nearby warehouse.

The print from the shell casing Tiffany found belongs to Anthony Chavez, who also worked for Provident Armored.

The team finds Chavez's van then stumbles onto an armored-car robbery at a diamond exchange. A firefight ensues.

The suspects enter a building and chaos ensues.

All three suspects escape.

The robbers got the delivery schedules from Rosen.

Maggie and OA pursue Chavez into a restaurant kitchen but OA guns him down.

Maggie and OA are sent undercover to a pool hall in Queens where Chavez hung out.

They tail Chavez's cousin Beto.

An armed old man, Samuel Jacobson, meets up with Beto.They pick up Jacobson.

Jacobson is Nina's informant and she wants him released.

Jacobson agrees to cooperate, and Scola poses as his jeweler buyer.

Jacobson has to calm down a skittish Beto.

Beto insists on doing the deal at Scola's place.

Maggie and Tiffany attempt to tail Beto but lose him.

Nina insists of playing Stuart's wife.

Maggie hides in the townhouse's safe room.

Beto showed them only a sample of the diamonds then demands to see the money.

Beto insists that Scola meet up with his brother Carlos to see the rest of the diamonds while he stays with Nina and the baby.

Nina insists on switching up the deal. She goes, Stuart stays.

Carlos meets up with Nina. OA and Tiffany decide to follow them.

Maggie creeps out of the saferoom and the door makes a noise. Beto goes to investigate.

Scola tells him not to wake the babty.

While Nina is checking out the stones, a cop car rolls by then pulls down the alley, causing Carlos to panic. Nina wrestles away his gun, which goes off.

Beto hears it but Maggie and Scola take him down even before their backup arrives.