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It's 2014 and Halloween night in Palo Alto, California.

Alan Beam weaves through a crush of bodies at a dive bar.

The room smells like spilled beer and sweat and all around beam people and costumes down their drinks and shout over the music.

It's a surreal evening.

Beam is surrounded by superheroes and skeletons.

A witch shoots pool with a stormtrooper.

Everyone seems happy and carefree.

Except Beam.

Beam is the laboratory director for Theranos, a health technology company and one of Silicon Valley's hottest startups.

Beam's responsibilities at work are endless and so are the hours.

And while he's dressed like a zombie for Halloween, he feels like one too.

But it's not just the crushing deadlines and intense pressure.

Beam recently learned a devastating secret.

And if it gets out, he and many people he works with could be ruined.

So tonight Beam isn't in the mood to laugh and talk with adults dressed as vampires.

He needs to put in just a few minutes chatting with co-workers and then get home.

Across the bar, a young man dressed as a mad scientist waves at Beam and biting him over to his table.

It takes a second but Beam realizes that it's Curtis Schneider, a friend from Theranos and one of the smartest people beam knows.

So Beam approaches the table trying his best to fake a smile.

Hey Curtis, nice costume.

Costume.

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