Marriage license official Hugo gets his second divorce, and his new landlady is trying to lure him into his third marriage, but with the help of his wartime buddies he escapes this danger. Due to the fact, that all of them had bad luck with women, they decide to rent an apartment together and they promise each other to give up women, but Hugo falls for their landlady again and is breaking the promise. To get his two buddies to break the promise also, he sets up a "trap" for them, with the help of his two ex-wives....