He attributes blame for Thomas's condition and death to Ray and, despite Ray's best efforts to defend his corner, Dominick tells him they're both going to hell for what they did.Įmbarrassed by the heated argument, every guest except Dessa leaves.

After he sees Ray being comforted by ex-wife Dessa (Kathryn Hahn) at the subsequent wake, Dominick launches a scathing attack on his stepdad. During an emotional funeral, he has flashbacks to a childhood incident where he purposefully caused Ray to beat his mother and lock Thomas in a cupboard over an innocent game they were playing. Thomas – having left the apartment to visit the local waterfall during the night – drowns after jumping into the plunge pool and becoming trapped in the undercurrent.ĭevastated, Dominick blames himself for his brother's death. Dominick takes Thomas back to his apartment to get some rest but, after Dominick is disturbed in the night by a car alarm, he realises Thomas has gone missing.Ī frantic search involving Dominick, stepfather Ray (John Procaccino), and the local police force, as you may have guessed for this miniseries, ends in tragedy. That period of respite, however, proves to be fleeting. Having rescued his paranoid schizophrenic twin brother Thomas Birdsey (Mark Ruffalo) from Hatch mental hospital, things finally appear to be looking up for Dominick (also Mark Ruffalo). If you aren't caught up, you'll want to turn back now – we're dealing with major spoilers from this point on. The TV adaptation of Wally Lamb's 1998 novel has been difficult to watch, but offers some hope in its finale by unveiling its major secret.

I Know This Much Is True hasn't been shy about punching us in the gut. I Know This Much Is True spoilers follow - including its ending.

I know this much is true book