John Bain

The author of a series of popular children's books suffers a seizure moments before an attempt to take her own life. House is a fan of her novels and is the most motivated when it comes to unlocking the mystery of her condition.

When married couples fostering young children end up being killed in Seattle, the team looks for an unsub with a maternal-yet-murderous instinct. Also, Garcia fears a possible proposition from Kevin.

Owen and T.K. risk their lives to save two brothers trapped in a homemade minefield; Grace receives an emergency call from a conjoined twin whose brother is dying; Tommy interviews new candidates to fill the team's open position.

Catherine is forced to re-evaluate one of her first cases when a man she helped put away for life for first degree murder demands a new trial, claiming that the evidence collected in the case was unlawful.