Denell Johnson

After a Homeland Security agent is poisoned, the team's investigation leads them on the path of a Triad assassin and a possible traitor.

Greg finds money he accused Matt of stealing from him when they were younger, Heather writes Joan's forgetfulness off as old age, Colleen confronts a mechanic she thinks is sexy, and Tim makes the kids go through an earthquake drill.

Peralta suspects a civic leader of money laundering, but his investigation is shut down by the police commissioner. Determined to crack the case, he enlists Santiago and Captain Holt to help uncover more evidence, but risks suspension as a result.

Due to their kitchen sink still being in disrepair, the Hecks decide to eat out for Thanksgiving. Brick invites his girlfriend Cindy and Sue tries to help Darren be approved by Mike.

Things get out of hand when Mickey and Jimmy throw a Halloween party in the burned-out remains of the mansion. Sabrina seeks to repair her tarnished legacy. Mickey teaches some pranksters a lesson.

Nathan worries that his mother made him feel like he is better than other people and decides to befriend a hopeless co-worker. Meanwhile, Adam and Tom take a test to find out who is smarter.