After Charlie Brown's murder rampage causes multiversal chaos, the effects end up catapulting some of his closest friends into the harsh grip of other worlds like DavisWorld, Bikini Atoll, and The Barbie World. The round-headed kid must join forces with Linus, Lucy, Peggy Jean, and Schroeder to undo his mistakes. Meanwhile, Snoopy and Woodstock take it upon themselves to save the lives that are currently in peril due to this unstable Triumvirate...