The Japanese ambassador is handed the Hull note, a stern message from the US, insisting Japan withdrawal from China and French Indochina in exchange for lifted economic sanctions. Meanwhile, the Japanese 1st Air Fleet, hidden in Hitokappu Bay, prepares for a secret mission that will change history. Little do the Americans know, the Japanese have been quietly planning a surprise attack that will drag the US into World War II. The clock is ticking, and the fate of the Pacific hangs in the balance.