Ivy conceals her status as the supreme heiress of a global defense syndicate to marry Lucas, an overseas royal whom she loves unconditionally. Yet Lucas remains fixated on his deceased lover's manipulative sister, neglecting Ivy through a medical crisis that costs Ivy her pregnancy. Devastated by his blind cruelty, Ivy slips out of the castle unannounced.
When enemy borders collapse and hostile troops threaten the royal capital, Lucas discovers the only person with enough munitions to save his country is Ivy. Returning aboard a military dreadnought, Ivy holds the kingdom's survival in her hands while Lucas begs for forgiveness.
