"Well, nobody has passed here," said Thaddous, "alive or dead. Let's
go on!"

"Wait just a minute," said the second boy. "I tell you there is evil
somewhere about here!"

"The street is dark and crooked enough to hold almost anything," said
Thaddeus. "I am not surprised now that my father always ordered me to
keep away from these streets leading to the river. They say many and
many a poor wretch has been bundled down there and pushed off into the
Vistula. She tells no tales, that river."

The cry was repeated. It was faint, and there was a note of pain or
terror in it that chilled the listeners. Very faint and far away it
was too.

"I'm going back," said the second boy.

"Go!" said Thaddeus scornfully, "Go and give up your Scout badge, and
tell the chapter that while the sons of Warsaw were not afraid to meet
a bloody death, you are not one of them because you think the spirits
are abroad in the town.

The boy blushed.

"Come!" said Thaddeus. "I know you don't mean it. There is someone in
trouble. Let us find them quickly."

Following the tracks and listening every few steps for the voices, the
boys reached the place where Warren and Ivan were imprisoned. They