With Mr T still absent and a new role as temporary clinical lead, Mo finds coping with her pregnancy increasingly difficult. Will she manage under growing pressure with only Hanssen to confide in?

Already snowed under with a packed and understaffed AAU, Fletch is out of sympathy when he treats a drug addict making light of his situation. But when Mikey strikes a bond with the patient, Fletch gets more than he bargained for.

Isaac finds his confidence knocked when he treats a mouthy teenager. As Ric watches on unimpressed, Isaac strives to prove himself both professionally and personally.

Ollie questions his worth on the Darwin team. Morven braces herself for her first day back since Arthur's death. Dom is forced to make a decision about Isaac.