Oscar nervously interacts with Angela, suspecting she knows about his affair.

Pam prepares to paint her mural while Jim dreads asking for part-time work.

Pete starts building a house of cards from complaint cards instead of filing them.

Angela asks Dwight for help with a secret mission in the warehouse.

Jim lies that coworkers will cover for him to get part-time approval.

Pete and others build a taller card tower with Kevin's help.

Dwight introduces Angela to Trevor, a potential hitman, in a van.

Pam hesitates to start painting her warehouse mural.

The staff reads customer complaints while building the tower.

Angela hires Trevor to murder her husband's lover, but Dwight negotiates a knee-capping.

Stanley and Phyllis order expensive food and wine at lunch.

Oscar gives Angela a cookie, and she calls him an angel, easing his worry.

Kevin knocks over the card tower, but Pete gives a pep talk about mistakes.

Stanley and Phyllis get drunk and ramble at lunch.

Pam offers to get a customer complaint to complete the card tower.

Dwight realizes the target is Oscar and tries to stop Angela.

Dwight tricks Oscar into hiding in the warehouse to save him from Trevor.

Trevor attacks Oscar with a pipe, but Oscar disarms him and Trevor retreats.

Pam calls a client and insults their mother to get a complaint card.

Angela and Oscar yell at each other about the affair and blame.

The group celebrates Pam's complaint and the tower reaches the ceiling.

Dwight comforts Angela on a bench after the confrontation.

Stanley and Phyllis reveal they will cover for Jim after all.

Dwight and Angela ask Toby disturbing questions about gay sex.