A familiar face makes a return under shocking circumstances. Will he stay or will he go? A grief-stricken Serena takes an eager Jasmine under her wing, but both get much more than they bargained for.

Hungover Jasmine desperately tries to step up her game in order to win Ric over, but it has devastating consequences. Zosia is pulled up short when a returning patient arrives on the ward reminding her of Arthur. Raf is taken with a female patient and questions whether it's the right time to be stepping up his career.

After she overhears Tristan and Guy planning to take a theatre away from CT, Zosia goes all out to impress Tristan. Morven keeps a patient at arm's length when he flirts but finds herself growing fond of him after she witnesses him in a moment of vulnerability.

Jasmine's future hangs in the balance when she is caught lying by Hanssen. When Ollie follows Mo's advice, disastrous consequences ensue, and Serena's world is turned upside down when she is confronted with a face from the past.

Morven's future is uncertain when she becomes involved with a patient. Meanwhile, Guy's loyalties are put to the test and Dominic keeps a secret from Isaac.

Guy's plans for his much anticipated Neurosurgical Unit are put in jeopardy when he makes a shocking discovery about Tristan Wood, the Unit's main benefactor.