In post-9/11 New York City, an eclectic group of citizens find their lives entangled, personally, romantically, and sexually, at Shortbus, an underground Brooklyn salon infamous for its blend of art, music, politics, and carnality.
When Isabelle and Theo invite Matthew to stay with them, what begins as a casual friendship ripens into a sensual voyage of discovery and desire in which nothing is off limits and everything is possible.
Day in and day out, lovers Cynthia and Evelyn enact an elaborate sadomasochistic fantasy as mistress and maid. But as their ritual of domination and submission begins to turn stale, Cynthia yearns for something more conventional, while Evelyn tries to push their taboos even further.