When a young woman discovers a heart-shaped time-travel device, she embarks on a journey to find her lost love, navigating the complexities of the space-time paradox and the unyielding passage of time....

In a world where time and space are fluid, Yángguāng, a celestial being, finds herself entangled in a forbidden love with a human, testing the boundaries of time and the heart's relentless pursuit of connection....