"Is anybody really monogamous?" That's the question on the mind of Will, a 32-year-old graphic artist working at the bottom rung of a Boston ad agency using his artistic skill to promote juice drinks, while he secretly dreams of painting large canvases like his heroes Alphonse Mucha and Gustav Klimt. He's on the run from a broken heart, still feeling the sting of the break-up with his California girlfriend, who he loved, even though she also loved...