I Know This Much Is True

After paranoid schizophrenic Thomas Birdsey has a violent public breakdown, Dominick Birdsey finds himself stepping up to defend his identical twin brother in unexpected ways. As he navigates the fallout, Dominick reflects on their childhood growing up under the tyrannical rule of their volatile stepfather, Ray, and their desire to know the identity of their biological father.

Sheffer preps Dominick for a pivotal hearing with Hatch’s review board that could decide Thomas’ fate. A chance encounter with an old classmate brings painful childhood memories to the surface. Dominick reflects on his and Thomas’ time together at college, during which he met Dessa and the signs of his brother’s illness first began to manifest. Joy attempts to remedy the problems in her and Dominick’s relationship.

Upon learning the details of his Sicilian grandfathers arrival in the early 1900s to Three Rivers, Dominick becomes convinced his family is cursed. A startling update on Thomas from an unlikely source prompts Dominick to take drastic action.