Cassie travels to merry old England to visit her pen pal, Alex, and when Alex is kidnapped and Scotland Yard is stumped as to her whereabouts, Cassie is forced to step into the competent shoes of Sherlock Holmes to find her friend

A visit to the Kentucky Derby opens Cassie's eyes to the fast-paced and dangerous world of gambling, deceit, and drugs played daily at the tracks and sets her on the tail of some horse thieves

Her friend Alexandra Bennett asks Cassie Jones to come to Hollywood to help find out who is behind the strange incidents that are threatening the rock star who has the lead in a new horror movie.

Eighteen-year-old Cassie Jones faces grave danger when she investigates the mysterious incidents that are plaguing the salvage crew that is searching for treasure from a Spanish galleon sunk in tropical waters.