Geraldine Singer

While a meningitis scare overwhelms the resources and staff of Princeton-Plainsboro Teaching Hospital, House zeros in on a single patient: a 12-year-old whose symptoms are similar to, but not quite right for, meningitis. Cuddy gives them an hour to crack the case before pulling their medical manpower to treat the countless patients taking over the waiting rooms, but when they discover something quite unexpected, House, Foreman and Chase must devise ingenious ways and locations to treat the girl’s delicate condition amid the chaos. Meanwhile, House asks Cameron to come back to her job now that Vogler is gone, but she’s got a surprising requirement.

Fiona's choices rattle a decades-long truce between the Salem witches and Marie Laveau. The Council of Witchcraft pays a surprise visit to the Academy with disturbing allegations.

Much to Bell’s dismay, Nic and Conrad decide to admit a homeless Jane Doe, whom they suspect was dumped off by another hospital during Chastain’s big Charity Ball. Elsewhere in the hospital, Devon and Irving care for a male escort who offers surprisingly good advice, Micah returns for a checkup and falls even harder for Mina, and Devon’s parents are in town.

With no memory of the night before, Lasalle's brother, Cade, turns to NCIS for help when he finds his girlfriend's body in the trunk of his car. Despite a mountain of evidence that implicates Cade, and the case being under Captain Jim Messier and Jefferson Parish jurisdiction, Lasalle is determined to prove his brother's innocence.

Ruth goes on a fossil hunt with George, and digs up Sarah and Bettina. Claire focuses her talents on Edie; Federico tries to unload on Sophia; Vanessa does some part-time detective work; Keith goes 'out' to a bar with his co-workers; David drowns his stress; Nate dares Brenda to be honest with Joe, and receives some relationship advice himself.