In a small western town, a father obliges a doctor to separate two conjoined twins in a very hazardous operation. One of the children dies but years after seems to have survived as his brother's second personality.
When a lonely man finds out the love of his life has a conjoined twin, who happens to be a serial killer, he must take drastic measures to keep his love life intact while keeping himself out of big trouble.
Born a conjoined twin due to the effects of Agent Orange used during the Vietnam War, Duc Nguyen, now a father and husband, seeks the truth about his past and contemplates the future.
As already foretold by modern technology, Mrs. Liddell would give birth to a certain abnormality. The sight gave her a fright and a little unease, they were not just twins, they were Siamese.