It's been two years since the gang known as the Wolfpack narrowly escaped disaster in Bangkok. Now, Phil, Stu and Doug have happy lives at home -- but Alan doesn't. Still lacking contentment and a sense of purpose, Alan has gone off his meds and surrendered to his natural impulses. It's up to the other members of the Wolfpack to get him through his personal crisis by embarking on a road trip to the place it all began: Las Vegas.
Mary Katherine,or M.K., is a headstrong, spirited teenager who has a strained relationship with her father, professor Bomba . She loses patience with her dad's tales of unseen people who live in the woods, but when she is magically transported to that mythic realm, she gains new perspective. M.K. joins a race of beings known as the leafmen in their battle to protect their queen from their enemies, evil boggans.
Since Dom and Brian's heist in Rio left them and their crew very rich people, they've scattered across the globe; however, they must still live as fugitives, unable to return home to their families. Meanwhile, Agent Hobbs has been tracking a gang of lethally skilled mercenary drivers whose second-in-command is someone Dom knows. Unable to take them down himself, Hobbs asks Dom and his crew for help in exchange for full pardons for everyone.
People were forced to leave Earth a millennium ago to establish a new home on Nova Prime. Now, Gen. Cypher Raige heads Nova Prime's most-prominent family. Cypher's teenage son, Kitai, feels enormous pressure to follow in his father's legendary footsteps -- which strains their relationship. Cypher and Kitai set out on a trip to mend their bond, but when their craft crashes on Earth's hostile surface, each must trust the other greatly -- or perish.