After a young mother has a seizure while bathing her child and almost drowns him, House and the team must discover what is causing Kara's seizures and find a way to save her son's life. Soon, both of their conditions worsen and Kara's husband is forced to make a tough decision, but he soon learns a shocking secret about his wife. Meanwhile, Chase decides he needs a break from the hospital and House wants to know why Cuddy has asked Wilson out on a date.