Black Canary travels to Hong Kong because her sensei, the man who taught her martial arts, is dying. Here she encounters Lady Shiva, who was also his sudent for a short time. He asks them each a dying favour. Canary must never try to arrest Shiva, and Shiva must never try to kill Canary. Meanwhile, Oracle discovers that her information in several cases is wrong, sending various heroes on wild goose chases. In Hong Kong, Shiva and Canary are attacked by a local gang and discover that this was a distraction as someone has killed their sensei, poisoned a dying man. They believe the most likely culprit is Cheshire.