Actress Mandy Moore is shocked to discover ancestors who lived in Australia and travels far, determined to unlock the mystery of how they got there. Moore is touched by the courage of those who made the journey and the sacrifice of those who were left behind.

Actor Matthew Morrison explores his American roots for the first time and is surprised to discover his family's ties to the Revolutionary War. He learns of the bold lengths his ancestor went through to protect his allegiances and the brutality he faced on the battlefield.