On my wedding day, my husband and my adopted stepsister proudly held their newborn twins and announced it to me.

But Evelyn wasn’t looking at him anymore.

She was staring at me.

Horror and guilt battled in her expression.

Six months earlier, I discovered the first clue accidentally: a hospital bracelet inside Derek’s gym bag. It didn’t belong to me or Lena. It came from a private fertility clinic in another state.