Anita Rani visits beaches in Yorkshire and Northumberland, learning the story of the historical shipwreck in Whitby that inspired an iconic moment in Dracula. She also reveals how the discovery of medicinal spa water in Scarborough 400 years ago led to it becoming the world's first seaside resort and how early life-saving pioneers at Bamburgh Castle worked to revive shipwreck victims in the 1700s.

Anita Rani presents a guide to the coastline of Eastern Scotland, including the world's oldest sea-washed lighthouse and Second World War fortifications in the Firth of Forth. She also discovers how the Scottish crown jewels were smuggled out of Dunottar Castle, and how Sir Walter Scott used a royal visit in 1822 to reinvent the idea of Scotland.

Anita Rani explores the coastline of South Wales, visiting the beaches where Henry Tudor fled into exile during the Wars of the Roses, and Malcolm Campbell broke the 150mph land speed record in 1925. In Llansteffan, Anita discovers that the ancient livelihood of cockling is still alive and well, and she also visits the place where a wireless message was sent over water for the first time and meets the granddaughter of Dylan Thomas.

Anita begins her journey in Devon, where she discovers the story of a German attack on a D-Day training exercise that killed more than 700 US servicemen, learns the secrets of Agatha Christie, and finds out how the South Devon railway is being kept in perfect working order. Plus, the haunting story of a village that vanished.