In order to trap some spies, the Bowery Boys join the Army.

A ghost helps the Bowery Boys capture a gang of crooks led by a mad doctor.

Slip, Sach and the rest of the Bowery Boys enter a haunted house, where they engage in slapstick with the Gravesend Family which has one Creepy Butler, 2 Mad Scientists a crazy old woman with a Man eating Plant a Savage Gorilla, an 8 foot tall Robot and a Vampiress.

In order to be able to get the names of winning horses at the track, Sach agrees to sell his soul to the devil.