Beijing, the capital of China, is full of historical records from ancient China, three remarkable women's lives intersect in a compelling love triangle.

Mina, China's beloved pop sensation, is known for her enchanting voice but yearns for a deeper connection beyond the stage. When she encounters Chaeyoung, a gifted artist who finds solace in her vibrant canvases, their worlds collide, and an unspoken connection blossoms.

Meanwhile, Nayeon, a dazzling international superstar, is drawn to Mina's enigmatic allure and embarks on an unexpected friendship that soon turns into something more profound.

As these three women navigate the complexities of fame and their evolving emotions, they discover that love, like art and music, is a masterpiece that cannot be hidden or confined. "Harmonies of the Heart" is a tale of love, longing, and the intricate melodies that connect the souls of those who chase their dreams in the dazzling city of Beijing.