Bumblebee is on a critical mission where lives are stake! Only, he can’t remember what his mission is. It’s a good thing his best friend Windblade has found him to help repair his damaged memory chips. With each recovered memory, Bumblebee rediscovers his past adventures on Cybertron before coming to Earth. As each memory is repaired, another clue comes to light that will lead them both to complete their shared mission to save their friends and Earth.