In 1871, a Chicago undercover detective gets a job as a porter in a disreputable saloon to get information on a stolen painting, which he believes will be fenced there by thieves. He soon falls in love with the saloon owner's daughter, who believes him to be just a porter. Soon his undercover work puts him and the girl in danger, from both the criminals who stole the painting and the infamous Chicago Fire of 1871.
Mabel Ballin
as Christine Randolph
Eric Mayne
as Mark Randolph
Frank Mayo
as Wayne Morgan
Wanda Hawley
as Molly Winthrop
Wally Van
as Gale Winthrop
Arline Pretty
as Mildred McCormick
Lawson Butt
as Earl of Tarnsey
Tom Santschi
as Hon. Bill Cronk
Harry T. Morey
as Howard Mellon
James Pier Mason
as Slim Edwards
J.P. Lockney
as Patrick Leary
William V. Mong
as Peg-Leg Sullivan
