A heart transplant brought together Xia Yuanxing, a talented musician from Chongqing, and Luo Jiaheng, a rich man from Singapore. Luo Jiaheng gained Xia Yuanxing's miraculous abilities and some of her memories. Following the guidance of his heart, he brought the songs in Xia Yuanxing's heart and came to Chongqing, where he had been dreaming, with his classmate Dai Yingxi. In Chongqing, he met Xia Yuanxing's childhood playmates Yu Xiaoxiao and Cheng Fengming. Four young people, two pairs of transnational lovers, a heart that attracted everyone, and a love journey of laughter and tears began. After several twists and turns, Luo Jiaheng fulfilled his "heart" wish. Cheng Fengming finally heard the song that Xia Yuanxing wanted to sing to him. After a song "Starry Sea", he returned to Yu Xiaoxiao with Luo Jiaheng's love. However, what awaited Luo Jiaheng and Yu Xiaoxiao was a more severe test: after a heart transplant, Luo Jiaheng could die at any time. Luo Jiaheng did not want to drag Yu Xiaoxiao down, so he fled thousands of miles back to his hometown. Yu Xiaoxiao rushed to Singapore and ran towards Luo Jiaheng with the love and blessings of her relatives and friends. Luo Jiaheng also bravely met Yu Xiaoxiao and sang a song "Your Answer" to express his courage to love life even in adversity. The couple hugged each other tightly.