The Children’s World Cup of Soccer is in full swing, with teams of kids from all over the world each bringing a dog as their mascot. Ryan is a benchwarmer for the US children’s team whose duties revolve around team mascot Rex, the loveable blue heeler border collie who can secretly talk – but only with other dogs. Despite making all these new friends, Rex soon finds that this World Cup Event won’t be the vacation he hoped for when he uncovers a secret evil plot that threatens the tournament and now he must unite all the dogs to save the players and a stadium full of fans!