The evil general forcefully marries the money-grubbing fake heiress who is obsessed with mechanical arts. From a contractual couple to exposing each other's true identities in a life-and-death situation, their mutual love and hatred intensify. They uncover court conspiracies, shatter deadly chaos, and safeguard the peace of the nation.

Key to the Phoenix Heart тривав 1 сезон. Нових епізодів не заплановано.