A MISSION OF MERCY COULD TURN OUT TO BE VERY BAD MEDICINE FOR NANCY DREW!
Nancy has volunteered to serve on the Heartliner, a hospital ship docked in River Heights on a fund-raising tour. But while the ship brings much needed medical care to remote areas of South America, all it has brought to Nancy’s hometown is mystery and menace. For the Heartliner itself is threatened by an infection of crime!
Nancy suspects that someone is using the ship to transport an illegal cargo. But the more questions she asks, the clearer it becomes that her health is at risk. In spite of the danger, Nancy’s determined to find out what sinister secrets are hidden on board. For the only way to rescue the Heartliner is to expose the shocking truth!