The heroine of a modern society animal accidentally picks up a cold prince from ancient times. He does not understand modern rules, but he has his own character and responsibility. The two went from a chaotic daily life of living together to facing life's problems together, healing each other and growing together. He learns to adapt to modern times, and she regains her courage and love. When the opportunity to return to ancient times arises, they choose to go hand in hand and return to his world side by side from modern times. However, they are unexpectedly separated. Is there someone else who is the heroine's true love?
