This is a novel describing online love. The protagonist is a young surgeon who has just been married for three years. His wife, a nurse, divorced him because of online dating. The surgeon also chatted online because he was bored and lonely. He chatted with a clear purpose. He hoped to meet his divorced wife during the chat and win her back. He is still in love with his former wife, and when chatting online, he feels like he is peeping into other people's privacy. So he took on the internet name of "Peeper". During the chat, he and his divorced wife finally talked about getting back together. But at this moment, he dated the netizen 'Blue Lily' who had the same experience as him...