To save his beloved Consort Nansi from a deadly curse, Emperor Cang Hanyu sacrifices their daughter and travels through different lifetimes. Reborn as various couples across social ranks, they face betrayal and power struggles but continue to find and protect each other, proving their love endures across time and fate.
When Xiang Yan, a hopeful young illustrator, and Lin Hengyu, a commitment-averse dentist, become unexpected roommates, their contrasting views on love slowly shift. Through shared struggles and growing affection, they discover what true partnership means.