This article covers a real-world subject which should not be taken as part of the Holby universe.

"Hidden Depths" is the 193rd episode of Casualty and the 17th episode of the 11th series.


Josh is on air ambulance duty. A woman, Shirley, takes her children, Jimmy and Bill, to watch her boyfriend Kim and his friend Mick go scuba diving. When everyone is distracted by Kim jetting himself trapped, the boys wander off and Jimmy falls off a cliff into the water. He is air lifted to the hospital where he has an emergency heart operation. Liz and her temporary partner Penny bring in a couple, Gordon and Fiona; she suffered a seizure while performing oral sex and he hit her with a lamp to stop her biting him. James, the owner of a stately home which wife Charlotte is trying to run as a business, is hiding his sister Angel in the stables after she backed out of going on a course Charlotte arranged. She throws up on the drive during a business dinner and turns out to have food poisoning. When she learns Charlotte is pregnant, she is more encouraging of the marriage. Louis is brought in by his nanny Margaret after fitting; it turns out he had been left too close to a radiator.

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