A group of ordinary people who stumble onto a puzzle hiding just behind the veil of everyday life come to find that the mystery winds far deeper than they ever imagined.

Snoopy embarks upon his greatest mission as he and his team take to the skies to pursue their arch-nemesis, while his best pal Charlie Brown begins his own epic quest.

Three years after his wife, acclaimed photographer Isabelle Reed, dies in a car crash, Gene keeps everyday life going with his shy teenage son, Conrad. A planned exhibition of Isabelle’s photographs prompts Gene's older son, Jonah, to return to the house he grew up in - and for the first time in a very long time, the father and the two brothers are living under the same roof.