Christopher Stapleton

House and the team treat a high-profile fitness trainer who collapses while shooting an infomercial; Thirteen participates in a clinical trial led by Foreman.

Jack takes his fight directly to the President as he attempts to force a confession from him that will prove his involvement in the day's events. Martha vents her hatred for her husband in front of the press as Logan gives a eulogy over Palmer's body. Jack and Audrey share a tender moment when it seems the crisis has subsided, but Jack finds that his problems have only begun as his past catches up with him.

A computer expert (Danica McKellar) claims to have witnessed a murder in the apartment across the way, but investigators find no physical evidence of a crime.

To make Cheryl feel desirable, Jim fakes a jealous rage in a restaurant and tries to teach Dana's date to do the same, but the lesson backfires when Dana fears her new beau is paranoid and possessive.