 Part One. Told through the eyes of Josh, Ellen and a patient called Laura, the same events of a highly-stressful day are all seen from different perspectives. Josh deals with being reckless on the job and faces suspension, Ellen faces the fear that her cancer may have returned, and Laura, an extremely stressed nurse, takes her daughter Rosie in and claims she is suffering from fits and other strange symptoms. As all the events come together and explain some of the events that occur, tragedy lies just around the corner for one of Holby s staff...