Disgraced heart surgeon Dr Hugh Knight's plans to leave Whyhope forever are upended when tragedy strikes. Penny makes a fateful decision about her love-life.

Meryl and Carlito’s relationship sends shock waves through the Knight family. Tension between Hugh and Penny puts the new cardiac clinic at risk. Matt reconnects with his old high school crush.

While Penny is away, Hugh and Tara come out to play, and with a little help from Charlie their night takes a dramatic turn as Hugh loses more than his sobriety.

Hugh and Penny set aside their differences to fight for the rights of a terminally ill young mother. As she faces criminal charges, Meryl ropes in Hayley to hide evidence of her corruption from Sharna.