When he's not playing TV cops, star of The Bill and EastEnders actor Mark Wingett is a hardcore technical diver, well respected in the underwater archaeology community and passionate about British maritime history.

In this new series he explores some of the most fascinating and mysterious wrecks in British waters by diving in often dangerous conditions. Aided by his team of experts - Mike Bowyer and Ron Mahoney - Mark unravels the true stories behind these great pieces of living history.