This is book 6 in the Mack and Carly Adventure Series. Mack and Carly join Alex and Sophia in a venture to create a unique resort on Caille Island where Sophia escaped and managed to kill her captor. The foursome faces a different type of danger from a powerful government official and the ruthless criminal he's helping to sabotage their venture. The twists and turns of their resort project are complicated by the constant threat of the newly active volcano, Kick 'em Jenny, and local thugs hired to destroy the resort project.