An apparently psychotic man is brought in hearing 'Helicopters' in his head, convinced they're trying to kill him. When neither the team, nor his wife can come up with any reason behind his seemingly spontaneous mental breakdown, Erica saves the day and Bart is forced to perform a delicate procedure to save the patient's sanity.

Charlotte is forced to contemplate her future at All Saints when she learns that there's no room for her there as a Fellow in the ED, as long as Zoe has that job.

Charlotte and Rhiannon care for a woman desperate to have a baby who is forced to undergo an operation that results in a hysterectomy due to the discovery of a mass in her abdomen. The reveal of what is inside the woman is truly ghastly.

Having bonded with Charlotte during the patient's care, Rhiannon misreads the situation and makes a move on Charlotte, which Charlotte politely pulls out of - she's flattered, but declines... Rhiannon takes it badly and her fears that the truth will be discovered leads her to a decision that could end Charlotte's career.

When Jack, Zoe, Mike and Gabrielle disagree on treatment for what might be the world's longest splinter, Zoe finds herself alienated by Frank for the second time that day when he sides against her. Zoe confronts him, leaving Frank wondering if he's alienated her irrevocably.