Zena Grey

Stabler suspects foul play when a 14-year-old girl vanishes and an FBI agent is killed. All the evidence points to a producer of child pornography.

The team discover a disturbing family secret while trying to find a bone marrow match for an ailing teen; House tries to remove his ankle monitor so he can go to a boxing match; Taub's ex-wife wants to move across the country with their daughter.

After learning that Thirteen spent time in prison, House tries to figure out why she was incarcerated; the team make a discovery about a teacher who has severe respiratory problems.

The team question the necessity of the treatments they give a performance artist; House's unexpected actions jeopardise his relationships with Wilson and Cuddy.

Thirteen turns to Chase when a friend comes to her in need of medical attention and can't go to the hospital; House gets devastating news.

While treating a drug-addicted patient, House is forced to look at his own life, future, and personal demons.