Damien Lewis

What lengths would you go to for the one idea that pulled you through?

That's the question posed in the new trailer for Season 2 of Homeland. In the Season 1 finale of the critically acclaimed drama, Brody (Damian Lewis), thanks to a trigger failure, abandoned his plan to blow himself up to kill the vice president and instead go home to his family.

Carrie gets her mojo back and 6 more Homeland Season 2 insights

But will his last-minute change of heart really last? Despite his new career as a U.S. congressman and his newly mended marriage, it's hard not to forget that Brody had been in captivity for eight years and planning his attack for a long time.

How dangerous will Brody be this season? And will Carrie (Claire Danes) be able to stop him? Check out the preview here:

Homeland returns on Sunday, Sept. 30 at 10/9c on Showtime.