Raya and Tae grew up together in an orphanage and were adopted. Before parting, Tae returned the necklace that Reya had given him before and agreed to recognize each other with the necklace. The day after Tae was taken away, the young Raya wanted to go to the church on the mountain to pray for Tae. Unexpectedly, it suddenly started raining heavily. Raya lost her footing on the way down the mountain and fell off the mountain... Five years later, Tae, who was renamed Tik, was about to be sent to the United States to study. Before he left, his adopter Ratya Pom agreed to let Tik go back to the orphanage to say goodbye to his friends. When Tik ran to the orphanage excitedly, the dean told him that Raya had been missing for more than five years. The police only found one of her shoes near the mountain, and she was now presumed dead... Tik's character has become withdrawn and weird since then...