Sixteen-year-old Susannah Simon is a mediator, one who communicates with the dead, and she also happens to be in love with Jesse, a nineteenth-century ghost.

Sixteen-year-old Suze is pleased to have a date with a popular boy but her ability to converse with ghosts is causing her problems.

Sixteen-year-old Susannah Simon, a liaison between the living and the dead, hopes to be able to live as a normal teenager after moving from New York to California with her mom and new stepfather, but on the first day of school she encounters the very hostile ghost of a girl who committed suicide over winter break and is out for revenge against her former boyfriend.