Podduang, a third-year Sports Science student forced to team up and enter a fake-dating arrangement with his rival, Jinna, a third-year Automotive Engineering student. Both share a connection to Anda, a rising BL actor. Everything changes when news breaks of Anda’s mysterious death under suspicious circumstances. Podduang receives a pair of earphones through which he begins hearing Anda’s voice. Driven to uncover the truth, Podduang and Jin grow closer. Their pursuit of justice turns increasingly dangerous. Yet Jin refuses to back down, determined to capture the murderer and protect the one he loves. Amidst the mysterious calls from the earphones, one sound grows louder than anything else, the pounding beat of Podduang's heart. (Source: iQIYI) ~~ Adapted from the web novel "Mysterious Sounds" (สืบจากเสียง Mysterious Sounds) by Karnsaii.