In an ancient China where gods walk freely amongst the realms, the Death God has never failed to claim a soul. But when the god of healing offers a dangerous bargain, one month of life in exchange for a chance to break his centuries-old curse, he finds himself caught between what he must do and what his heart demands.

When their deal sets off a chain of catastrophes in the Celestial Palace, the unlikely pair must cross the realms to find a missing crown prince and restore the balance of the heavens. But as their alliance deepens and fate begins to unravel, they face devastating consequences. The Heavens demand a sacrifice, and it becomes clear that it may ruin them all.