Coastline Cops

Dealing with terrorist threats and drunken sailors during Cowes Week, rescuing a badly injured man from a beach in Cumbria and a little girl goes missing in Scarborough.

On the Isle of Mull, one of Britain's smallest police forces faces an invasion from the sea, a former military policeman gets tough with "drunken fools" in Cumbria.

An elite police marine unit in the Solent checks the Queen Mary's bottom for terrorist bombs, an air festival in Suffolk threatens to overwhelm the local police.