Slip, Sach and the gang get mixed up in political intrigue when they try to help an exiled European king and his daughter regain the throne that is rightfully theirs.
They're in the Underground with a Beautiful Spy!... in a laffdaffy riot of cloak-and-dagger adventure!
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Did You Know?
The thirty-eighth of forty-eight Bowery Boys movies. See more
Follows Loose in London