Duffy spots hepatitis B symptoms in prostitute Jenny, with human bite marks. The woman won't take advice and stay. She is later brought in dead on arrival after being beaten up. Megan worries about two homeless teenage girls, Imogen and Nikki, one stabbed in the arm by squatters and the other seriously ill froma paracetamol overdose. Other patients are a tyrannical old mother; a skinhead with a sex-mad girlfriend and a heart patient's husband who's sicker then his wife.