The Couple at No. 9

When Saffy's grandmother Rose moves into a care home, Saffy and her boyfriend Tom take over Rose's Cotswolds cottage and begin renovating it. Then builders uncover the body of a young woman in the garden, and soon a second. With Rose's rare lucid moments as her only clues, a pregnant Saffy starts digging into her grandmother's past and finds family secrets that stretch back three generations, and that may still put her in danger.