In the series 'Catch It, Keep It' three skilled engineers/builders must work together to win a valuable prize. The catch, in order to win their prize, the team must construct something that will save it from complete annihilation by our Engineer of Destruction. The contestants have just 48 hours to invent, plan and construct their prize saving device. If they can build something that will save it in time, they each win the prize. If they fail, their prize will be destroyed in front of their eyes.