Tong Yu Xin, who is tone-deaf, possesses a magical necklace. When she wears it, she can make the audience fall in love with her for one hour through her singing, making her a very popular online singer-songwriter. Suddenly, one day, she accidentally kisses Tang Yu Tong, a music teacher, which leads to the necklace transferring to him. Now, Yu Xin, deprived of her magic, reverts to her original self and is eager to seduce Tang to get the necklace back.