Sigma

The night it happened, it seemed like an impossible nightmare. There was no name on the note. No hint of identity or reason or anything. A single word, on the notes line: "She." Just those three letters. The next day, I received another note. It too contained a single word: "belongs." A third note, the next day. This time, two words. Four letters. "To me." Ten million dollars, or our daughter would die. And then, there was a knock on my door. A sleek black limousine sat on the curb in front...