After the two mortal enemies in the modern business world died together, they traveled to the fictional Yong Dynasty and exchanged their souls to become the prince and princess of the East Palace. The tit-for-tat enemies in the past were forced to share the same roof and assume each other's identity. In the turbulent palace and court, they went from trying to undermine each other to sharing life and death, and finally overturned the dynasty and rewritten their destiny.
