When Millie was born, her uncle prophesied that her life would be like a "dangling thread." When you pull it, you discover something unexpected at the end.

While many of Millie's relatives were content to laugh at the prediction as the ramblings of a drunken fool, the family priest remembered. Father Vlacek called Millie a "dangling thread," and Millie grew up wondering what her future would hold.

She's about to find out and when she does, her dangling thread is pulled all the way. In this thrilling spiritual mystery, Millie, a suburban homemaker and mother, is recruited for a special mission. Modern technology has led to the conclusion that John, one of the twelve apostles of Christ, is still alive in the present day. The team employs the science of stylometry, using powerful computer software to help track down this missing saint. Millie agrees to join the search but struggles with her own self-doubt.

As Millie and the team cross the globe in search of John, they are being watched. Forces of evil have vowed to catch John first. In the epic spiritual quest to solve the mystery that follows, Millie rediscovers a side of herself she thought had been lost long ago. She witnesses wondrous events and shocking revelations about the power of God's love.