Von never makes it to the charity ball when her little friend Zac's condition begins to deteriorate. Terri and Malcolm bond at the ball but Terri is shocked to discover Rose suffers from bi-polar. The revelation causes problems between Mitch and Rose. Kylie drinks too much, Scott puts more moves on Andrea and Luke's date is horribly raped outside the ball venue. Meanwhile, Connor and Bron are on night shift in Ward 17.