Sam Kazuko (Janella Salvador) is an aspiring Pinay singer who grows up in Japan. A hopeless romantic, she believes in the concept of Red String Of Fate a Japanese Belief. Which says that an invisible red string connects two destined people and are set to meet each other wherever they are in the world. On the other hand. Kevin Sebastian (Elmo Magalona) a popular teen heartthrob in the Philippines and son of an OPM icon Mike Sebastian (Ariel Rivera), who popularized the song "Born For You". Kevin doubts the authenticity of love and destiny, because of a complicated relationship of his parents. Their love for music will bring Sam and Kevin together, but it might also be the reason for their budding romance to be cut off. Sam's father Buddy (Bernard Palanca), composed the song "Born For You" for his wife Cathy (Vina Morales). But Marge (Ayen Munji-Laurel), the daughter of the country's richest record label owner, stole the song and gave it to Mike in hopes of winning the male singer's heart. Everything eventually happened according to Marge's plans as she got married to Mike and gave birth to Kevin. While they we're living a happy life. Buddy's family was suffering because of his sudden death, which prompted to Cathy to work in Japan to provide for Sam. What fate awaits for Sam and Kevin? How will their parents' past affect their destiny? Will the red string that connects them be broken?