The first issue took place in the middle of the Crescendoll's "elusive" career. #2 from here on though will start from the beginning and go through their tale chronologically.
Shortly after the events of "A Fistuful of Energon", Prowl mopes about the failures in his life and questions his purpose (again). The question: what if he was given a second chance to take on Lockdown's offer? Will he betray his friends and go with him? ...Well, yes. You just saw in #1.
...Damn, I just spoiled #2. *frowns*