Shannon Goodwin has the most embarrassing family ever First there is her father, who is the king of every garage sale and second had store he surveys, her little brother with an out of control penguin obsession, and her mother, who just doesn't get it. Shannon dreads she is in for the most boring summer of her life. But things change when when her father drags her to one special estate sale and Shannon unwittingly becomes the keeper of a secret cache of letters and a locket that hold the keys to a dead girl's spirit. Suddenly Shannon's blah summer becomes a mystery of gangsters and the ghosts they sometime leave behind. As the summer evloves, Shannon becomes more deeply involved in the life of the ghost that reaches out to her from a lonely graveyard pulling Shannon into the world of the unknown.