Steve's adventures thus far in, The Mysterious Flight of 1144Q and The Mystery of the Wooden Crate have created more questions than answers. He is pushed to the limit in his quest for those very answers in The Mystery of the Missing Gold. In this installment, Steve's abilities and patience are tested more than ever as he clashes with the Morretti crime family and a terroristic plot orchestrated by a tightly knit group of rebels led by a man named Aziz. Steve must find a way to fend off the Morretti's hostage advances while at the same time try to unravel the Aziz plan to bring down the American financial markets. The explosive clash holds the key to the answers Steve has been seeking. The perplexing situation he finds himself deeply involved with has only one answer, succeed...or many will die.