While trying to avoid death, the couple must struggle to discover the source of these attacks.

So far above him that he couldn't discover the source.

In it, he tried to discover the source of the band's motivation.

They are not mine, by the way, and you may, in time, discover the source.

I have discovered the source of your ability to exchange.

It took three days for workers to discover the source of the oil.

He also helped discover the source of the Amazon river.

Detectives took to the streets to discover the source of the drug.

At the time, Kennedy said it was an old saying, but no one, to my knowledge, has ever discovered the source.

The three men were looking around, trying to discover the source of the noise.