When an erratic Zosia ignores the wishes of a patient, Dominic and Arthur worry about their futures. A loyal Colette risks much more than her career. Meanwhile, when a much-missed friendly face returns to AAU and offers support to a reinstated and grateful Harry, he demands answers to some awkward questions he can't afford to ignore. Elsewhere, when Jac catches on that Elliot is working on a new project, she is quick to get Guy involved. A wary Elliot fears he could lose out to Jac all over again.