A propaganda film created by Charlie Chaplin at his own expense for the Liberty Load Committee to help sell U.S. Liberty Bonds during World War I. The story is a series of sketches humorously illustrating various bonds like the bond of friendship and of marriage and, most important, the Liberty Bond, to K.O. the Kaiser which Charlie does literally.
Elsie gets a letter from her soldier boyfriend that convinces her to sign up as a Red Cross nurse.
A girl wants to go to a ball, admission one Liberty Bond, but rather than go herself, she loans the bond to a girlfriend. A soldier and a sailor find out and take her to the ball with them.
Somewhere in France, German troops occupy the chateau of Marquis X. The commanding officer see the aged Marquis attempt to signal his daughter Louise, and seizing a paper writes an order demanding her presence. On the paper is a message in code from the Marquis to ring the bell as a signal to the French troops. Louise kills one of the German officers and rings the bell, though she knows it will mean death for her father and herself. The picture fades into a Liberty Bell ringing out "Buy, buy, buy, Bonds."
