"Flora the pig ditches the sedentary life on the farm for an adventure in Antarctica, where she escapes the knife and lives her dream of pulling a sled with a team of dogs"--Provided by publisher.

Max is dispatched to the Antarctic when the Department for Extraordinary Activity has a distress signal from a ship trapped in the ice.

Following clues provided by the secretive Reddimus Society, the four Alden siblings travel to a dingo sanctuary in Australia and to Shakleton's hut in Antarctica to deliver the fifth and sixth artifacts, and then they work to unmask the traitor traveling with them.