A man was released from prison after his sentence, but was immediately involved in a transnational pursuit - he was forced to cooperate with law enforcement agencies in China and the United States to track down a mysterious cyber criminal.This search full of unknowns and dangers led them from the cold streets of Chicago to the neon abyss of Hong Kong.In this journey of crossing national boundaries and trust, he not only has to face the shadow of the past, but also finds his own answer between justice and redemption.