The Last Song tells the bittersweet story of Somying Dawrai, a beautiful and successful showgirl working in the famed transvestite cabaret Tiffani Show in Pattaya, Thailand. Somying swears to herself that she will never fall in love. However, when she meets Bunterm, a handsome young singer, her promise to herself falls by the wayside. While she's falling in love with him, Bunterm confesses to her that he has instead fallen in love with Somying's sister, Orathai.