On this episode of Person of Interest…

Root takes on various assignments from the Machine.

Root heads off to a radio station, involving a host named Max who talks about conspiracy theories.

Reese helps Root by investigating Warren Franco, a regular caller, but Warren turns out to be dead.

Samaritan faked Warren’s suicide and threatens Max after he discovers a secret code being broadcast.

Shaw has been through the simulations so many times she doesn’t even realize she is back in the real world.

Root manages to send a message to Shaw.

Root demands to be taken to the facility holding Shaw, but Reese arrives and stops the deal, saving her.

After leaving the hospital, Fusco tells Finch he’s done working with them.

Max chooses to reveal there’s a code during his radio program, but Samaritan intervenes and has an operative kill him.

Root calls a former number looking to gain access to a missile silo.