Mac, Mip and Mo are summoned to the mission room where Professor Katmandu gives them what they think is an insignificant mission to transport a heart-shaped amulet, the Heart of Wisdom to be cleaned for the Mouseum. Mip leaves his hoverboard in the doorway and Mac trips, loosing the amulet into an opening in Ms. B’s neck which jams the robot. The adventure unexpectedly begins when Professor Katmandu shrinks the Trekkers to retrieve the amulet and they enter the inner workings of Ms. B robotics, explore her stored memories but fail to retrieve the Heart of Wisdom. The Professor manages to reboot Ms. B discovering what knowledge of friendship she has acquired.