The Bafta award-winning series returns to Merseyside and joins a new cast of characters of the North West Ambulance Service during an unprecedented period of difficulty. The country is in lockdown as crews book on for the day shift. In the Regional Operational Coordinating Centre, plans are well underway to tackle the immediate threat to life being posed by Storm Christoph which is feared to be set to rage. The storm adds yet more pressure to a service already battling the peak of the coronavirus pandemic. Crewmates Emily and Jo are dispatched to a patient who is not breathing, before attending a road traffic collision caused by the storm