A cursed ocean princess. A ruthless mogul on land. One lethal secret that could drown them both. [Protagonist Name] came to the human world with a single mission: reclaim the stolen Heart of the Ocean and return to the deep before her scales fade. But when she accidentally saves [Male Lead Name] from a fatal crash, her identity is compromised. He views her as an enigmatic spy; she sees him as a dangerous distraction. Yet every touch triggers an ancient, undeniable bond between sea and land. When the deep calls her back, will she choose her sacred duty—or the mortal who claimed her heart?