Guy's past revisits him when an old friend of his deceased wife is admitted to Holby. Troubled by his motives for treating this patient, Jesse implores Guy to reconsider surgical intervention. Will Guy gain the perspective he needs in order to leave the past where it belongs? Sacha is up against it on Keller, and it feels as though he is at odds both personally and professionally. However, wise words from an unlikely confidant help Sacha to make a very important decision. There is no denying that Oliver and Zosia share an attraction, and Seb, Zosia's psychiatrist boyfriend, is increasingly unnerved by their undeniable magnetism.