In Swanage, Dorset, the crew race to the rescue of a diver whose life hangs in the balance. In Kinghorn, on the east coast of Scotland, a swimmer is swept out to sea and is at severe risk of hypothermia.
On Holywell beach in Newquay, a multi-agency operation kicks into gear when a walker suffers a serious injury, and in Dun Laoghaire, just south of Dublin, a fun day out goes badly wrong when the bride-to-be needs rescuing from her own hen party.
