Homeland - Season 1

Volatile CIA agent Carrie Mathison investigates and ultimately becomes obsessed with returned POW marine Nicholas Brody, who may or may not be an al-Qaeda-trained terrorist; Brody struggles to resume his domestic life with his wife and two children whom he barely knows; Saul tries his best to support his bipolar protégé while pursuing leads of his own and trying to hold his crumbling marriage together.