Seraphina Shaw, Grand Marshal, constantly clashes with Julian Kael, the sickly Hostage Prince. While pursuing an assassin, they are struck by lightning and swap bodies. They share sensations of pain, evolving from sabotaging each other to breaking through crises side-by-side, understanding each other. After quelling a palace coup and returning to their own bodies, Julian Kael marries into the General's Estate. They protect the realm and each other.