A yacht near Newhaven looks to be in trouble close to the shore during strong winds and rough tide. Coastguard Helicopter Rescue 163 must do what they can to save the skipper's life. A Coastguard Fixed Wing surveillance flight is tasked to investigate potential sources of marine pollution. Using state-of-the-art technology, they notice a large patch of possible oil or chemical pollution.

A witness calls the police to report a boat crashing into a buoy at high speed at Poole Harbour in Dorset. Mark Cam, lead investigator at the MCA's Regulatory Compliance Investigations Team, is asked to assist with the case, as possible manslaughter charges could be pending. Also, a Maritime Operations officer takes a call from a witness on Rhoscolyn beach in Wales about a 75-year-old man having a possible stroke.

A commercial fishing vessel runs right into a private fishing vessel off the South Coast, a collision which is caught on camera. In the early hours, the Spanish Coastguard is in touch with Stornoway Coastguard as a Spanish fishing trawler has two casualties with very serious injuries. In County Durham, a walker reports that her dog has gone over a cliff at Nose's Point.