Off the coast of Croatia, a burning ferry drifts out of control as salvers fight to save her from sinking. In the Irish sea a ferry is battered by a force 10 gale to the brink of extinction, forcing another salvage team to put their lives on the line.
Off the coast of Oregon, the impossible job: a veteran salver takes on a wreck that has defeated all others. Off Gibraltar, 700 tons of steel need to be lifted out of a shipping lane, testing a team of salver's engineering skills to the limit.
Oil on a sunken tanker threatens an environmental disaster; a salvage team fights to pump her dry using pioneering diving techniques as they battle ship fires and decompression sickness.