The team takes on the case of a 16-year-old factory manager who fell ill when her lungs suddenly filled with fluid while at work. Meanwhile, Foreman asks for House's permission to work on a clinical trial and House rejects his proposal. In an effort to prove himself capable of working without House's supervision, Foreman takes on his own pediatric case. But when the unexplained illness brings the child to the brink of death, Foreman is left questioning his ability to work free from House's custody.

House and the team take on the case of a high-profile fitness trainer who collapses while shooting an infomercial. Meanwhile, Thirteen begins her participation in a clinical drug trial for Huntington's disease led by Foreman, Kutner sets up and runs an online medical advice clinic under House's name and Cuddy moves into House's office while hers is being repaired, much to the dismay of her new officemate.