Off the Mull of Kintyre, an around-the-UK rowing boat challenge goes disastrously wrong as horrendous weather puts five rowers' lives in jeopardy. The Search and Rescue Helicopter crew at Prestwick are tasked with locating and saving the stranded and isolated rowers despite pitch black visibility, as the boat edges closer to an area of treacherous rocks.

Over on the west coast of Wales, MCA surveyors make an unannounced visit to a harbour. Two vessels that have been previously inspected are assessed again to check that they are safe, and that deficiencies have been addressed. If not, they will be detained and not allowed to go to sea.

On the south coast, a Coastguard Rescue Team is called to an incident onboard a commercial shipping vessel. A crewman is injured and in severe pain but located in an awkward part of the ship. With a suspected broken femur, and the situation becoming increasingly worse, the paramedics require the help of the Coastguard for a successful extraction.

In Sussex,at the iconic Seven Sisters cliffs, a family's sightseeing holiday quickly turns into a fight for survival when they become trapped between coves as the tide comes in and the weather takes a turns for the worse. The Coastguard Helicopter from Lydd is tasked with one of the most challenging rescues possible against the chalky white cliffs.