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.

Ruby and Violette's relationship is pushed to the limit when Violette betrays Ruby's trust... and puts baby Harmony's life in danger.

After spending the night with Lara from IT, Will is struggling to finish a tedious report for Connie and ends up calling on Lara for help. But Will soon learns not to mix romance and work.

Ethan returns to an ED that has barely recovered from Mason's death and gets a less than warm welcome from Rash. Ethan and Rash have no choice but to work together, but end up clashing - tensions are still running high.