Hal 9000 said:
Luke Skywalker has vanished. In his absence, the sinister FIRST ORDER has risen in secret from the ashes of the fallen Empire, plotting its return to power.
I think this is as perfect as it can be. It gives the “mcguffin”, some political info, and a clue that there is more going on.
About the third paragraph, a question: why is Poe’s mission so daring ? Is Jakku supposed to be under FO juridiction since the “fake” peace signed with the NR ?