 The commvee s fuel pump breaks down and leaves the Thornberrys stranded in an African desert. A map reveals a nearby town 17 miles away and Nigel takes off on foot to find a new one. Things get bad when Marianne discovers their water tank has burst and they are almost out of water. Eliza and Darwin attempt to find water and run into a herd of Gemsbok and other animals near a dried up water hole. They are waiting for the rainmaker to bring rain and they think Eliza can talk to him. She gets caught up in their story and decides to play rainmaker herself.