It all came down to fate. At stake, $4,000 billion of the world's trade and 20 % of its population.The Taiwanese Tiger and the Chinese Dragon are squaring up at last.

Taiwan, long coveted by the China, is separated by 100 miles of the Straits of Taiwan. The conflict has reached boiling point and the USA has sworn to defend the island.

It all came down to two people.Commander Nathan Blake and May Hsin, he's commander of the submarine USS Stonewall Jackson. She's an Officer with the National Security Bureau, Taiwan's intelligence agency. They must both wrestle with their own demons to prevail. For him it's his conflicting rules of engagement. She's undercover in the enemy's lair but finding a warmth in the snake's coils.

It started with a murder in a San Francisco hotel room and escalated. Threatening billions in a nuclear exchange between the US and its trade partner and foe across the Pacific.

You've been called up. You will serve on board the USS Stonewall Jackson and go along with May Hsin, into the back streets of Shanghai. It's down to you now. Fate is cruel; get used to it.