Tony and Greg seem to have love all figured out. They're in a committed relationship, but with room for a little sex-on-the-side whenever it takes their fancy. Their only rule? Never sleep with the same man twice. When drop-dead gorgeous cleaner Robert walks into their lives, the fragile foundations of their sexual contract are thrown into jeopardy. Funny, fresh and packed with razor sharp wit, Kevin Elyot's landmark drama questions the nature of fidelity and the limits of love.