A search commences for the attacking submarine, a Cold War-era . The hunt for the Kilo results in the sinking of the Ayatollah of Iran's submarines by a Navy SEAL raid, an underwater transit through the Bosporus, and an underwater battle near the Falklands.
A search begins for the attacking submarine, a Cold War-era vessel. The quest for the Kilo leads to the destruction of Iran's submarines by Navy SEALs during an underwater journey through the Bosporus and an underwater engagement near the Falklands.