It is 1981 in New York City. While celebrating her 18th birthday, Jenna Kessler tells a story that stays with her for the rest of her life.

Growing up in the shadow of an over-protective mother, Chloe Toberman finds freedom in the secrets that she keeps.

Deirdre Schein is a doctor, struggling to find her place in her family. Her quiet and stable life is both challenged and made richer by the demands of her flamboyant and unpredictable twin brother.

THE TRUTH ABOUT PARALLEL LINES takes place over more than 30 years. It is the story of three women, love after loss, triumph over tragedy, and the friendships that sustain them.