One day, some men from the Sodor Museum find a dinosaur skeleton. Mr. Percival asks for two careful engines to collect it. Rheneas proves how gentle he is by shunting some trucks, but Skarloey is too excited and destroys a truck. So Rheneas, on his own, sets off to collect the skeleton. Rheneas is happy until he sees how big the skeleton is. Rheneas tries very hard, but he soon cannot carry on. Skarloey chuffs around the bend and Rheneas asks him for help and, together, they safely transport the dinosaur to the museum. They both agree that working with friends is the best job of all.