Hasina Haque joins the cast as nurse Mads, who struggles to understand the stronger regional accents of her colleagues in her first job since leaving Pakistan, with serious repercussions. Two patients are admitted separately after being shot with ball bearings fired from an air rifle, but Noel's discovery of sinister footage on the internet suggests the two cases may be linked and more attacks are imminent. The incident comes to a head at Holby College, bringing terror into the heart of the fully stretched ED. Guest starring Michelle Collins (Rock Rivals), and featuring an appearance by Holby City actress Jaye Jacobs