The first family of the Inhumans each have their own missions. Their sole hope to find Black Bolt before the Skrulls use him as a weapon to decimate Attilian. To do that, they each must succeed, and succeed they do.
They will find that finding him is one thing, and rescuing him from the heart of the Skrull incursion force is another altogether. With a newly forged alliance between Kree and Inhumans, the Skrulls are in for it.
Continues in Secret Invasion: War of Kings #1.