All worlds BE, only this HE.
In countless parallel time and space, the souls of the heroine Cen Jin and the hero Li Wu are bound by an invisible cause and effect. They continue to meet and fall in love, but they always end up in tragedy due to the invisible shackles of time and identity.
Every cycle is a cruel verification of the possibility of "pure love".
Only in the modern world called "Sniper Butterfly", those hard structural barriers (class, etiquette, life and death) have been relatively softened and replaced by more personal psychological and social pressures (age difference, economic relations, public opinion). Only by relying on their own growth, courage and communication can they seize the one-in-a-million HE possibility.