Oh no, what evil is the heart of men?

The shadow, no.

Once again, your neighborhood blue-cold dealer brings you the thrilling adventures of the shadow,

the heart and relentless fight of one man against the forces of evil.

These dramatizations are designed to demonstrate forcefully to hold and younger like

that crime does not take.

The lucky householders, whose homes are heated with heart coal,

are enjoying steady uninterrupted health for warmth in every room.

Even when winter winds blow and the temperature dies to zero,

there's no need to shut down heat or close off rooms in homes heated with dependable heart holes.

Yes, sir, when you have a supply of heart hole in your basement,

you're the boss of heating your house.

You are absolutely independent of any outside service.

Beat lag, you heat with anthracite, the home heating fuel that never fails.

Remember, blue-cold is the finest anthracite money can buy.

The shadow, the way to the forces of law and order,

is in reality Lamont-Pranston's wealthy young man about town.

Years ago, in the Orleans,

Pranston learned a strange and mysterious secret,

the hypnotic power to cloud men's minds so they cannot see him.

Pranston's friend and companion, the lovely margolaine,

is the only person who knows to whom the voice of the invisible shadow be lost.

...