Shi Jie is cursed to house the Vermillion Bird, a powerful spirit that causes him excruciating pain once a month on nights of a full moon. To his shock one day, he chances upon Orange who is able to quell his pain by singing him to sleep. Suddenly, Orange finds himself set up with a cushy new job and living quarters. The catch? He must sleep with Shi Jie once a month to calm the Vermillion Bird!