Summer Scent is the third installment of the 'Endless Love' series directed by Yoon Seok-ho. The story follows Yoo Min-woo, a man who is still grieving the tragic death of his first love, Eun-hye. Years later, he crosses paths with Shim Hye-won, a florist who suffers from a congenital heart condition. Unbeknownst to them, Hye-won received a heart transplant from Min-woo's late fiancée, and she begins to experience inexplicable feelings and physical reactions whenever she is near him. As their lives become increasingly intertwined, Min-woo and Hye-won fall in love, struggling against the weight of their pasts and the complications of their current relationships. The drama explores themes of destiny, memory, and the lingering connection of the heart, set against the lush, green backdrop of the Korean summer.