""A Cardinal Sin"" is a novel written by Hugh Conway and first published in 1886. The story revolves around the life of a young man named George Cavanagh, who is the son of a wealthy businessman. George is a talented artist who is passionate about his work, but he is also a bit of a rebel who likes to live life on his own terms.When George falls in love with a beautiful young woman named Agatha, he is forced to make a difficult choice between his...