When Olivia got back to the office, she reached into her pockets and realized that the bottle of folic acid was missing. She’d bought two bottles at the pharmacy earlier—one of folic acid and one of vitamins—and had swapped their contents. The vitamin bottle was still there, but the folic acid bottle was nowhere to be found.

Could she have dropped it at the wedding villa?

She thought hard but couldn't pinpoint exactly where she might have lost it. Maybe it had ...