Pip transmigrates into a book, becoming a chick. During her wedding, she is mistakenly bound by a life-and-death marriage thread to Kaelen Vex, Lord of the Netherworld, afflicted with The Nine Hells Glacial Curse. She has a phoenix bloodline that can alleviate his curse; he hears her thoughts. They join forces to expose The Azure Firmament's conspiracy. After trials, they develop feelings, quell turmoil across three realms, and unite in marriage.