The police arrive at the emergency department with some shocking news for Polly - her stalker, homeless Alistair, has committed suicide on a railway track.
Polly's shaken but tells Dixie she's fine. It soon becomes clear, however, that Polly is hiding something from her colleagues, as there are indications that she knows more than she's letting on...
The student doctors ignore Jordan's advise on how to treat a patient only for the man to die. Have they killed him?
Also, keep an eye out for comedian Russ Abbott, who makes a guest appearance this week as Malcolm, the owner of Holby Aquatics. He does himself an injury while trying to move a heavy fish tank. But there's more to his story than first meets the eye.