More concern arises when the team breaks into the boy's house and finds his school yearbook with his classmates' faces crossed out and threatening words written about the school, and when Taub checks the contents of the boy's flash drive, he finds disturbing videos of him blowing up homemade pipe bombs and appearing to show misanthropic and sociopathic tendencies.
It is discovered that a piece of one of the bombs ended up lodged in his system, and the foreign material is what has caused his various medical maladies.
Taub, however, is torn between sending the videos to the authorities throughout the case, but, in the end, decides to mail the flash drive to the police.
Meanwhile, Cuddy finds blood in her urine and undergoes tests for possible kidney cancer, while House grapples with emotionally supporting her, avoiding her, and denying that she is actually sick.
The number then abruptly ends with Cuddy awakening from a surgical procedure and learning that while she was unconscious, her kidney problems were found to be a benign tumor.