Off the coast of Devon, a couple are in serious danger as ferocious waves sweep their yacht onto rocks, causing severe damage to the vessel and putting their lives in jeopardy.In international waters, British sailors have sustained serious injuries while involved in a race across the Atlantic Ocean. The Joint Rescue Coordination Centre receives the mayday but, with the vessel being in such a remote part of the world, the rescue has its own challenges.The Coastguard Rescue Helicopter from Caernarfon is midway through a training flight when it receives a call about an injured person trapped in a ravine. The team fly to the dramatic setting, to find out that an extraction will be more complex than was first thought.Maritime and Coastguard Agency surveyors are on the River Tyne in Newcastle as a passenger ferry is due an inspection. The ferry is thoroughly looked over as the evacuation and fire drill exercises take prominence. If the crew fail the exercises, the MCA won't allow them to carry passengers and operate their ferry service.A lady has taken a nasty fall off a beach wall in the North East of England. Paramedics are on scene but the Coastguard Rescue Team on the ground must help guide the casualty and the Ambulance Crew to a safer place.The Coastguard Rescue Helicopter from Inverness is tasked with assisting in a missing person search in and around the area of Ben Nevis. As the crew carry out the search from the air, they and the teams on the ground know that time is of the essence.