Filmed in Ukraine, Eastern Europe in 2011
Film is based on "Butterfly" comics by Dave Gibbons, published earlier on official "Matrix" Trilogy webpage. Leading hero, Zion resident, named "Crow", persecuted by agents White, Cooper and Carpenter is trying to escape from the Matrix. Only phone line intact opens in a dojo, holded by phlegmatic Huang Long...
Text of the comics (presented in film by subtitles ) is famous Chuang Tzu butterfly dream parable.
Official webpage (has English version, also can be found in my signature) : http://matrix-butterfly.net.ua