Jennie begins detective work when she arrives at the ranch owned by her uncle, a full-blooded American Indian, and learns that a bomb has exploded in the stables.
When her younger brother disappears, sixteen-year-old Jennie McGrady is suspicious of her new neighbor and she puts herself in danger when she tries to find her brother before it is too late.
While on a Caribbean cruise with her grandmother and cousin, sixteen-year-old Jennie McGrady puts herself in great danger by her rash efforts to find her father, a government agent who disappeared five years earlier.
