Nancheng, a city surrounded by mountains on three sides, has phoenix flowers in bloom. In this city shrouded in bright red, a heart-wrenching love is taking place. They met and separated when they were young. Flowers fall and bloom again, people separate and meet again. They came together because of their childhood love, but had to face separation because of their parents' grudges; so she married someone else, and he also had a new love. Fate is always at work, and the entanglement between them will not be that simple after all...