For the first time in history, National Geographic Channel and a group of scientists search the ocean floor for a series of shipwrecks many Americans never heard about. Everyone knows that on December 7, 1941, the Japanese attacked Pearl Harbor. But what most don't know is just days later, Hitler sent his own force to devastate the East Coast. On December 19, the German Naval War Staff sent three U-boats to American waters. It was an assault so deadly, it was covered up by the U.S. government.
Following the death of District Attorney Harvey Dent, Batman assumes responsibility for Dent's crimes to protect the late attorney's reputation and is subsequently hunted by the Gotham City Police Department.
Mr. Church reunites the Expendables for what should be an easy paycheck, but when one of their men is murdered on the job, their quest for revenge puts them deep in enemy territory and up against an unexpected threat.