Casualty: Remember Me (Part 1)

As a still-grieving Charlie prepares for Christmas on his own, old friend and nurse Tess arrives, having picked up ED shifts over the festive period. Throughout their shift together, Tess notices Charlie's awful mood, and it's evident that the Covid crisis is taking its toll on him. When Dylan announces they're running out of oxygen cannisters, Charlie's mood worsens, and then a troubled patient from the past returns for revenge