In Dali, March arrives with bright sun and a gentle breeze, setting the stage for a quiet romance braided with work, songs, and community life among the Bai people. Ah Peng, Mo Zhijiang, a Bai youth from Jianchuan County, makes his way toward the bustling March Fair. On the roadside, a wagon belonging to a group of girls breaks down, and Ah Peng steps in to help repair it. His skill with tools is clear, and though the good deed makes him late for the horse race, it also catches the eye of Jin Hua, a girl whose golden embroidery and kind nature leave a memorable impression as she carefully tucks his tools into her handcrafted pouch.
Ah Peng does not let the delay spoil his day. He speeds into the race, and his performance wows the crowd, surging him ahead of the competition. Among the cheers, Jin Hua and her friends cheer him on from the stands, radiant with pride as he crosses the finish line. After the victory, Jin Hua seeks him out and returns the pouch, their brief exchange leaving a spark that hints at a shared future. The moment is sealed not with words but with song and a symbol of faith: a Bai duet by a lakeside called Butterfly Spring. In that simple, intimate moment, Ah Peng offers his steel knife as a pledge of fidelity, and Jin Hua promises to meet again at the same place the next year’s March Fair, sharing with him not just a name but a future.
A year passes, and Jin Hua does not appear at Butterfly Spring. Undeterred, Ah Peng journeys into the region of the Cang Mountain with two cultural workers who are there to collect songs and paint the landscape. Along the way, he discovers that Jin Hua is a common name among local Bai women, which widens the search but never dampens his resolve. The trio’s travels turn into a deeper quest as they arrive near the base of the mountain, where whispers of Jin Hua fill the air and the search for a single person becomes a broader quest for a shared memory. The first Jin Hua they meet is a manure collector, the second a stockyard worker—both named Jin Hua by different duties—and Ah Peng continues to call out their name in hope. He even responds to their needs with small acts of care, like picking up a sickle from the lake for a weary worker.
Undaunted, Ah Peng presses on and reaches the hillside where a rescue operation unfolds: a bear attack threatens a group of female foundry workers. He joins the rescue and earns the trust of the third Jin Hua, a foundry worker who shows him a piece of ore that she and her colleagues have unearthed. Drawing on his own experience as a seasoned foundry worker, Ah Peng estimates that the ore could contain up to 60 percent iron, a discovery that rekindles hope for the community’s prosperity and for his own sense of purpose.
The journey leads them to the commune’s tractor station, where a wedding unfolds. The bride, another Jin Hua, is a tractor driver, and Ah Peng’s heart sinks at the momentary misidentification when he mistakes her for the Jin Hua he once loved. He retreats to the Butterfly Spring to remember that first day, the sweetness of the encounter, and the quiet possibility of reunion. Yet life’s course continues, and Ah Peng returns to the foundry, determined to lend his skills and keep faith with the memory he cherishes. His warmth and expertise begin to turn the tides at the foundry, boosting iron production and earning him the trust and appreciation of Jin Hua who works in the foundry and who becomes a source of support as he rebuilds his hope.
Meanwhile, the evolving dynamics at the commune bring new pressures. The bride’s husband, the foundry director Yang, grows jealous as Ah Peng’s presence and competence influence Jin Hua, the vice-president of the commune. That Jin Hua, played by Yang Likun, becomes a focal point of tension as the community navigates loyalty, love, and duty. Yet Jin Hua’s leadership and her partnership with Ah Peng help shepherd the situation toward reconciliation. With Jin Hua’s guidance and the resilience of the community around them, misunderstandings gradually fade, and the couple begins to reclaim the future they imagined together.
In the end, the Butterfly Spring becomes a gathering of renewal. Ah Peng and Jin Hua—along with the other Jin Hua and their partners—come together in a final chorus that celebrates not just a reunion but a shared pledge to build a life rooted in mutual respect, hard work, and communal harmony. The story closes on a hopeful note: two lovers who once believed their paths might diverge have found a way back to each other, forged anew by the labor, music, and memories of the Bai community.
