Film following the work of archaeologists, divers and historians as they make new discoveries about a remarkably well-preserved 17th-century galleon raised from the Baltic in 1961.

The Vasa, a legendary Swedish warship, sank just hours after embarking on its doomed maiden voyage in 1628. More than 3 centuries later, in 1961, the sunken wreck was salvaged almost completely intact. Now, divers are poised to plunge down to make new discoveries.