City Under Crackdown, Moist with Tears... (Part 2)
Mao is taken by Amber to the headquarters of the EPR. While there, Amber calls a meeting for all of the EPR's contractors, including Mao, and the Doctor. She reveals that there was a plan to destroy the South American gate, which would have led to the eventual disappearance of all world-wide contractors. The Doctor notes that the plan was interrupted by a mysterious blue light. November 11 meets the head of East Asian MI6 operations, who is revealed to be a member of the Syndicate, and they kill each other. Hei attacks the EPR to rescue Mao. Hei uses his powers on Amber while Amber activates her meteor shard, resulting in the illumination of the whole building in a blue light.
Aired 07/09/2007EP 22 - City Under Crackdown, Moist with Tears... (Part 2)

Darker than Black
In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged. Hei is one of the most powerful of these psychic agents, and along with his blind associate, Yin, works for one of the many rival agencies vying to unlock the mysteries of Hell's Gate.
(Source: Anime News Network)