最佳一擊第4集 韓劇 年份2017 主演尹施允、李世榮、金旻載、車太鉉、尹孫河、董賢培、車銀優、苞娜

The provided transcript depicts a complex, non-linear narrative involving time travel, music industry struggles, and intertwined fates between characters in the 1990s and the present day. The story centers on the mystery of a missing singer, Yu Hyeon-jae, and the emotional journeys of aspiring artists and managers navigating failure and redemption across two different eras.