When Zosia oversteps with a patient, Oliver faces an unwelcome dilemma. As his suspicions spiral out of control, Zosia makes a gut-wrenching decision.
Still bruised from the impact of her suspension, Serena returns to find Bernie helping out on AAU. However, Serena's gratitude is short-lived when she discovers the real reason for Bernie's presence on the ward.
As Arthur embarks on a soul-searching day trip, Dominic leaves him to go it alone. But when Arthur struggles, Dominic makes a rash decision.