Faith brings her son Luka to the ED after he falls from his sister's bunk bed, injuring his head and wrist. Dylan treats the youngster, and becomes more concerned that there is an underlying issue, and following a CT scan, he is diagnosed with a brain tumour. A concerned Charlie has to placate a distressed Duffy, who has been trying to phone Bill in the early hours of the morning.

An anxious Charlie searches for Duffy, who is missing in hostile weather conditions. Meanwhile, Lev is unable to accept the severity of Luka's prognosis.