A dying multimillionaire called the wrong number begging not to be alone—months later, a widowed electrician opened a USB drive and uncovered a dangerous secret

in a folder.

Then came the hardest part.

Waiting.

Day 4.

Day 7.

Day 11.

Day 15.

The new bone marrow had to start working.

If it didn’t, the odds dropped a little more with each passing day.

Daniel marked off the days on a calendar.

On day 18, Dr. Elena walked out holding a sheet of paper.

Daniel stood immediately.

The doctor smiled.

—The levels are rising.

He didn’t continue reading …