Flight 23 has crashed in the Bermuda Triangle after a hijacking gone wrong. Now the surviving passengers must brave panic, slow leaks, oxygen depletion, and more while attempting a daring plan, all while 200 feet underwater.

When the Nazi high command learns in late 1943 that Winston Churchill will be spending time at a country estate in Norfolk, it hatches an audacious scheme to kidnap the prime minister and spirit him to Germany for enforced negotiations with Hitler.