A revenge mission becomes a fight to save the world from an ancient threat when superpowered assassin Kai tracks a killer to Bangkok.

A revenge mission becomes a fight to save the world from an ancient threat when superpowered assassin Kai tracks a killer to Bangkok.

When an American teenager gets bullied at her school in Southeast Asia, she fights back–and gets sent to a reform school. But the “school” is more like a prison, and…