Before morning's end, the team have to deal with seven cardiac arrest cases. Meanwhile, one crew navigates through busy roads in hopes of saving a father of two, and another is faced with a difficult decision.

Follows the staff located in the nerve centre that is the control room during the night shift, as they sift through the thousands of calls received including hoax calls and runaway patients.

The London Ambulance Services prepares for a demanding weekend, as locals leave work and head out to enjoy themselves. The team gather their resources, and brace themselves for an onslaught of unique challenges.

A regular shift for the West Midlands Ambulance Service takes an unexpected turn and a case becomes personal; A 16 year old girl falls ill at school.

When New Year's Eve rolls around, it's the busiest shift of the year. The night doesn't run as smoothly as planned with more staff being brought in to help.

Mark and Nieaal drive for 20 minutes to assist a 96-year-old man whose elbow wound won't stop bleeding; Pete and Matt are called out to a violent stabbing.