Born gifted with a rare seventh sense-the ability to read human hearts coupled with keen intuition-Kate Kindrick struggles to understand her capabilities. She is often bewildered by her unique perceptions combined with seeing symbols and panoplies of color in people's hearts.

Kate's parents fear that their young daughter suffers from delusional psychosis. Their concerns are intensified by her claims that she has conversations with an angel. Only her grandmother, who is gravely ill, and her uncle, a famous writer, encourage Kate to develop her gifts.

Yet it's her naivete of...