Lilian, the illegitimate daughter of Duke McKellion, never received full acceptance from her father or society. However, she seizes an opportunity to replace her sister in an arranged marriage to Emperor Kael Lu Kaldorf. Unfortunately, Kael is cursed by a vengeful witch, causing him to be sleepless and irritable. Fortunately, Lilian has the power to induce sleep with a kiss. Lilian must kiss Kael every night to keep him calm. Their arrangement is simple, and Lilian has no intention of developing romantic feelings. What happens when Kael unexpectedly falls in love with her?
