I Know This Much Is True May 2026

The story is set in the fictional town of Three Rivers, Connecticut.

Wally Lamb’s 1998 novel I Know This Much Is True (and its 2020 HBO miniseries adaptation) is a sprawling, multi-generational saga of trauma, mental illness, and redemption. It follows as he struggles to care for his identical twin, Thomas , who has paranoid schizophrenia, while unearthing dark family secrets. 1. Key Plot Overview I Know This Much Is True