'The Kindness Of Strangers'

Zoe tries to get used to the administrative side of her new role, but when a young girl named Ruby is brought into the ED following a car crash and is covered in scars from old injuries, Zoe spots an opportunity to do what she loves and misses - treat patients.

However, as Zoe rushes in to help, can she get to the bottom of Ruby's injuries, or does she miss a key clue?

Meanwhile, Big Mac returns to the ED following his heart attack, despite protests from Noel and Louise.

Irritated to find that the ED has carried on fine without him, Big Mac spots an opportunity to help a patient, but finds his good intentions questioned by Dylan.