One of Ettie's estranged daughters shows up unexpectedly on Ettie's doorstep.
Myra, who ran away from the Amish as a teen, tells Ettie that her husband of ten years has disappeared without a trace.
'That Which Was Lost' is Book 10 in the 'Amish Secret Widows' Society' series.
Also in this Amish mystery series:
Book 1: The Amish Widow
Book 2: Hidden
Book 3: Accused
Book 4: Amish Regrets
Book 5: Amish House of Secrets
Book 6: Amish Undercover
Book 7: Plain Murder
Book 8: Amish Breaking Point
Book 9: Plain Wrong