PURGATORY! Defeated, enslaved, ground beneath the conquering heel of the newly returned MEGATRON and put to work in the cauldron of CYBERTRON's inner core. Surely it can't get any worse for the AUTOBOTS and their leader, ULTRA MAGNUS. Wrong, big-time! These trails and ordeals are only the tip of the iceberg in terms of MEGATRON's plans. But is all as it seems? Or is someone else pulling the strings... someone deadlier still?!