Harriet experiences a fascinating blend of art and reality when she realizes that specific songs have the power to physically take her back in time. As she revisits her past, reliving romantic moments with an ex-boyfriend, her time-traveling adventures begin to interfere with a developing romance in her current life. As she navigates the mesmerizing link between music and memory, she contemplates whether altering the past is truly the right choice, even if she has the ability to do so.