The bestselling author of The Mother-In-Law, Sally Hepworth, delivers an intense and thrilling novel filled with two unreliable narrators. In The Good Sister, Rose and Fern are bound by lies and secrets that threaten to unravel their sisterhood. But when Rose's desire for a child and Fern's carefully structured life collide, Fern must navigate a dangerous path to fulfill her sister's wishes. This gripping story will unearth hidden family secrets and challenge the boundaries of loyalty.