When the difficult star of the reality television show "Expedition Survival" disappears while filming an episode in the Florida Everglades using animals from the wildlife refuge run by Wahoo Cray's family, Wahoo and classmate Tuna Gordon set out to find him while avoiding Tuna's gun-happy father.

Journey with National Geographic to Mozambique's Gorongosa National Park and discover what is being done to bring this African oasis back to its former glory, including perhaps the most ambitious restoration effort ever attempted, with elephants, hippos, and scores of zebra, wildebeest, impala, and buffalo being relocated into the park.