Samuel and Anna are desperate. They need to meet another time dinosaur for a chance to revive Norus.
When they finally meet Big-T, she sends them back to the past with three impossible tasks to complete. Not only do they have to face their most ferocious enemy – a fearsome Torvosaurus – yet, they have to contend with a Vanessa who is all out to thwart their plans.
And then... Big-T suddenly loses all her powers... while Samuel and Anna are still stuck in the Jurassic! Who or what can help them now?