Sam gets a formal diagnosis of his Non-Hodgkin lymphoma and hits rock bottom but it takes a near death incident in his car to get him back on form and shave his head in readiness for treatment. The A.E.D. is flooded with casualties from a train crash near Holby caused by a detonated explosion. Jac and Donna trade barbs in their quest for Michael Spence's approval. Michael tells Jac he knows of her father. Mark's cocaine addiction gets serious and admits it to Elliott.
—Anonymous