Catherine and Grace endured ruthless abandonment as foster orphans, surviving on absolute loyalty to each other. Years later, Grace prepares to marry into an elite dynasty, unaware that her older sibling has covertly conquered military frontlines and risen as the supreme warlord feared across the entire nation.
Arriving at the lavish engagement party straight from a covert mission in humble maintenance rags, Catherine faces cruel sneers from snooty socialites and a scheming fiancé. When the groom publicly tosses Grace aside to secure status, Catherine calls in the armed guard, unleashing devastating power against everyone who mistreated her sister.
