Documentaries, as life-portraits, can be very moving when based on exceptional lives, circumstances, and hardships. The Most Unknowable Thing is an amazing story about the life of the filmmaker's brother, David, his homosexuality and struggle with AIDS. It is also about extraordinary personal relationships, including David's marriage to a close female friend, Connie. This documentary touches on many topics: sexuality and identity, marriage, family relationships. prejudice and awareness, coincidence, life and death. But it is mostly about the miracle of life and the search for peace. In documenting why a gay man would suddenly decide to marry a woman, this film deals with such issues and produces a fascinating story. David and Connie's relationship is revealed as a very spiritual one, two people joining together in body and soul. The Most Unknowable Thing offers a journey into the extraordinary events and circumstances of ordinary lives. Expect to have your eyes opened and your heart deeply touched.