Jack, Milo, Robin and Big Rock are back with a new friend - Blaze, the magical phoenix. The gang plan to take on notorious bully, Buster Gutt. Soon Jack finds himself and his alter-ego THUD in some seriously hot water... In the second story, villainous Lord Veto tries to break up the wrestling trolls. Soon Princess Ava is caught in the middle of a wrestling tournament! The brave trolls must come together for glory once more.
Waldo's Wrestling Trolls are back, and they're ready to rumble! But the villainous Lord Veto has other plans. Challenged to a Giant Rumble but suffering from a shortfall of wrestlers, Jack and his friends set out to find more participants for their great battle. But what starts as a fun-filled road trip in their trusty caravan, soon becomes an action-packed adventure filled with dangers such as farting Billy Goats, poisonous spiders and evil servants of the wicked King Nugget.
Jack is doing fantastically well as the Wrestling Trolls training coach, Big Rock is winning matches, and the group are on their way to more gold than they can count. Nothing ever goes smoothly for Jack though, especially after Milo is kidnapped by evil goblins determined to get their greedy hands on Big Rock's winnings! The wrestling crew know that they will have to be very quick and clever if they want to rescue Milo.
Jack knows every wrestling move there is to know, and his dreams come true when he's recruited as a training assistant to Waldo's Wrestling Trolls. Little does Jack know that he's actually part troll, and that when his new family is in trouble he morphs into the terrifying Thud! He'll have to build a team of wrestling trolls to take on Lord Veto's evil orcs at the tournament of tournaments.