The Autobots locate the Allspark, but a deserted space station and its lone occupant stand in the way. The Decepticons catch up with the Ark.

Megatron faces a life-or-death situation. As the Autobots and Decepticons work together to fight against Scorponok, Starscream tries to seize power.

Optimus encounters an unexpected guide who shows him a possible future. Megatron meets an entity who tells him what he needs to take from Optimus.