A teenage military trainee at a juvenile offender training camp suffers peculiar symptoms after enduring an intense training course, and mysteriously, his drill sergeant is soon admitted for similar symptoms. Sensing Cuddy's stress over her daughter Rachel's enrollment at a prestigious preschool, House secretly prepares Rachel for observations and reveals a soft spot for the toddler.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
A drill sergeant ( Sasha Roiz ) at a camp for troubled kids collapses with severe back pain, and House and the team must find a connection when one of his recruits ( Tyler James Williams ) falls ill with the same symptoms. Meanwhile, Chase must track down whoever is pranking him through a social networking site, and House tries to help Rachel get into a prestigious preschool. Final Diagnosis: Variegate porphyria Absent: Olivia Wilde as Remy "Thirteen" Hadley