Just as Buck Oliver is finally settling into a comfortable life in Odyssey, an out-of-the-blue message arrives that may lead him far from home. Buck's father left behind more of a history than anyone suspected. Could a map from the past determine Buck's future?

On another life-changing journey, Olivia has a new imaginary friend – a philosopher named Leonid – who is smart, interesting, and so talkative. Olivia is now doubting everything and everyone. Will her relationships with the folks at Whit's End be broken? Will Leonid's deception convince Olivia to abandon her faith once and for all?

Futures hang in the balance as friendships and families face incredible challenges in Adventures in Odyssey Album 72: The Long Road Home.