TV child star of the '70s, Dickie Roberts is now 35 and parking cars. Craving to regain the spotlight, he auditions for a role of a normal guy, but the director quickly sees he is anything but normal. Desperate to win the part, Dickie hires a family to help him replay his childhood and assume the identity of an average, everyday kid.
In an attempt to sign a Hollywood starlet, struggling talent agent and former child star Howard Holloway must contend with her volatile father, a scheming long-time rival, and a producer and casting director who despise him.
When David is left by his fiancé just days before the wedding, his relentlessly upbeat best man, Flula, insists that the pair go on David's previously planned honeymoon: a seven-day backpacking trip through the breathtaking mountains of Oregon. Their adventures are bookended with passages from William Clark's diary describing his friendship with Meriwether Lewis and the terrain they crossed during their expedition.