Andreas Kartak, a homeless man living under the bridges of Paris, is lent 200 francs by a stranger as long as he promises to repay it to a local church when he can afford to. Kartak is determined to pay back his debt but circumstances, and his alcoholism, forever intervene.
There is an author who has been dumped by his girlfriend and has no inspiration for a next novel. In an attempt to find a solution to both crises, he, along with his publisher friend, decides to seduce a young woman with the singular purpose of keeping a diary of the seduction and then dump her before publishing the book about it. Unfortunately he falls in love with her.
