||Kelly and Whacky have returned to their military duties but Kelly misses the mysterious Manta. Manta is actually Sue, the daughter of Professor Andrews, an American running a hospital in the jungle. When her father fails to save the wounded Takoa, the man's irate men shoot Prof. Andrews, massacre the other patients, and burn the hospital. Kelly and Whacky see the fire from the air and land nearby. Kelly discovers Sue is Manta; her father dies. Kelly, Sue and Whacky take off in Kelly's rocket-powered fighter, strafing the guerrillas to avenge Prof. Andrews. However, their plane is hit.