Cameras follow crews from the North West Ambulance Service as they respond to the impacts of the Covid-19 epidemic and Storm Christoph.

As the second wave of Covid-19 grips the country, the pressure mounts on the NHS in Merseyside. With hospitals almost full, ambulance crews know they must try to keep most of their patients at home.

A crew attend to a woman who has contracted Covid-19 while 20 weeks pregnant. But they must join a queue of 56 ambulances waiting to transfer patients into the local hospital.

Linda and Emma respond to patients in mental health crisis across Liverpool, while an asylum seeker struggling with isolation is a cause of concern for the whole service.

The North West Ambulance Service are struggling with a spike in staff sickness from Covid-19, which is making it hard to meet the demand for 999 responses. A decision is made to ask for military personnel to help.

A quiet start to the night shift is broken by a 999 call on behalf of a 13-year-old patient who is stuck on a bus having dislocated her knee.

A call to help a patient threatening to jump off a bridge requires an urgent response during a busy day shift for the staff of North West Ambulance Service.

Crewmates Dec and Nicole are urgently dispatched to a baby who has stopped breathing, and they also attend to a 12-year-old patient with a history of being bullied.

A 999 call for a patient who has fallen from a horse in a remote area takes priority for crewmates Chris and Lee on a very busy day shift in Lancashire.

One year on from the beginning of national lockdown, Lancashire ambulance crews attend to patients whose health problems have been bought on or exacerbated by isolation caused by the lockdown.

On a busy night shift in Lancashire, a call for a patient threatening to take his life by walking into the sea in Blackpool takes priority for the North West Ambulance Service.

As society opens up, the Easter bank holiday has consequences for North West Ambulance Service. A call for a patient stuck in a forest in Cumbria takes priority.

A crew from the North East Ambulance Service attends to a family who arrived in the UK just 17 days earlier as refugees from Iraq.

A high number of Category 1 emergency calls puts the North East Ambulance Service and the hospitals in the region under relentless pressure.

A 999 call for a patient driving the wrong way up a slip road kicks off another busy shift for the team covering the 2,300 square miles of Teesside.

Crewmates Joe and Hayley attend a number of emergencies, including a baby who is not responding, a centenarian who has had a fall, and a patient who has jumped off a bridge.

The North East Ambulance Service and Great North Air Ambulance Service work as a team after multiple urgent 999 calls alert them to a collision on the motorway.

Crewmates Paula and Phil attend a patient who is feeling suicidal, and the call-out takes a worrying turn when the patient begins hallucinating in the back of the ambulance.

A night shift takes a turn for the worse as multiple Darlington crews respond to a category-1 call for a patient in cardiac arrest.

The North East Ambulance Service is struggling to deal with an unprecedented volume of calls. The NHS faces chronic stresses and strains as frontline staff battle an increase in mental health problems, stretched public services and deepening poverty in the north east region.

Staff shortages and a rise in 999 calls stretch the North East Ambulance Service to its limits, meaning only the most critical patients will get an ambulance.

A suicidal patient phones in a bomb threat, and the crews have a very busy St Patrick's Day.

The North East Ambulance Service responds to multiple 999 calls for patients at breaking point and struggling with their mental health.

Crewmates Emily and Gayle respond to calls regarding an attempted suicide and an 81-year-old diabetic who has fallen off his mobility scooter.

Filmed during a historical period of uncertainty for the NHS, this episode introduces the staff of North West Ambulance Service across Lancashire, from the picket line to the front line.

A busy night shift for the ambulance service as they are alerted to an infectious disease outbreak at Fairfield General Hospital.

A busy weekend night shift across Lancashire sees advanced paramedic Shaun dispatched to a baby born in the passenger seat of a car.

Crewmates Mandy and Lauren help an elderly patient at the local boatyard, who has been on the floor for two days before being discovered by his neighbour.

An urgent call from someone threatening to use a nerve agent against the emergency services leads to a major incident standby being declared.

Ambulance crews respond to a road traffic accident where a man who has severely injured himself requires advanced pain relief.

Multiple emergency services respond to two separate reports of unexploded bombs in Greater Manchester, one with a primary school and nursery nearby.

Multiple resources are dispatched to a patient who has fallen 20 feet from a tree and requires urgent treatment for a suspected broken back and open wrist fracture.

The ambulance service responds to two separate calls for patients with severe burns, both in need of urgent treatment at the region’s only specialist burns unit.

Ambulance crews struggle to deal with life threatening emergencies while also being the last resort for those who have no one else to turn to.

It’s Easter bank holiday weekend, and the ambulance service receive a spike in the number of mental health-related calls.

While ambulances queue outside hospital with their patients, care is delayed for others ringing 999.