Mason struggles to ask for help in his most difficult week as a junior doctor and Ethan cancels his assessment with Mason when Effie turns up wanting his advice about the clinical trial. David, Ollie and Rosa are all playing happy families, until David is shocked to learn his ex-wife Rosalene is demanding Ollie come back and live with her.

Archie is shocked when Vincent, the retired school master who was acid attacked by one of his abused ex-students, returns to the emergency department. Elsewhere, Rashid and Mason finally put their differences aside and make peace when they discover that Leena has Menieres disease, and Ethan finds himself under pressure to rig the trial.