To save the hero in her play, the intelligent and pretty screenwriter travels to the script by accident and meets a shy prince, a vicious rival in love, a scheming contender for the throne, a mischievous emperor who loves to mess up with lovers, a kind empress, a cousin whom she grew up with and an open and modern mother... Will the heroine be able to save the day and get what she wants?

现实世界的编剧子怡，性格活泼灵动，有正义感，在创作小说《和公子浪迹天涯》时，对自己创造的陆北辰形象深深的着迷，一心想让他继承王位，有个好的终身伴侣，成为一代明君。当她发现自己创作的女主(沈慕月)，也就是皇上将要赐予陆北辰的王妃，竟然被导演改成渣女，这不仅会影响到男主陆北辰声誉的，将毁了陆北辰的一生。而最直接的办法就是自己变成剧本人物，情急之下无意间穿到剧本中，变成剧中人物沈慕雪，想尽办法让陆北辰深深爱上自己，“干掉”这渣女沈慕月，娶自己为妻，改变这个结局，拯救自己笔下的白马王子、梦中情人。