The Mediator - Ninth Key

Author : Meg Cabot
Publisher : PT. Gramedia

Suze went to a party to spy on her half brother. but not unexpectedly, there she was instead met with Tad Beaumont. Tad is the hottest guy in town. Classmate crush on Tad, Tad but instead had a crush on Suze.
Not happy because the hottest guy around town a crush and ask her out, Suze is busy thinking about Jesse, super cool ghost and haunt the living room Suze for 150 years.

A ghost of a woman suddenly appeared in the room Suzanah Simon. Howling and shouting to wake Suze. And after Suze woke therefore, the woman apologized. He also asked for help from Suze to convey her message to someone.
The woman asked for help Suze to convey his message to someone named RED, that Red did not kill her. When Suze wanted to ask further, who the Red, the woman had disappeared. It's instructions are not helpful at all.
Jesse's angry with Suze the treatment of , Suze due to the ghost woman. Suze wanted to defend herself, but what was said Jesse was right.
A few clues that lead to someone that is Suze Thaddeus Beaumont, a highly successful developer who was none other than Tad Beaumont's father.
It is not hard to keep track of the Red, because the guys are very famous.
Suze try all means to be able to see Red, but the struggle is never easy. Even as its ambitions to see the Red and convey messages from the woman's ghost, makes Suze close to Tad, the hottest guy around town.
But is it true Red Beaumont is the one who actually Suze looking for? But why the ghost of Suze's father suddenly appeared and warned him not to deal with Thaddeus Beaumont?
Is Suzanah Simon finally able to find Red is the ghost woman? So what to do with Tad Beaumont?