About Holby City Season 19, Episode 48 : How Loud it is

Hanssen is forced to confront his past when a familiar face arrives on Keller as a registrar. The new recruit's skill and determination impress the team quickly, but does he have an ulterior motive for coming to Holby? Zosia finally relaxes into some wedding planning, but when Guy's behaviour sparks fresh concern, Zosia is compelled to take action. Donna is exasperated with Fletch implementing his new-found power as director of nursing and makes it her mission to teach him a lesson.