Out of love for the beautiful Lisbeth, who comes from a good family, the penniless Peter is looking for a way to become rich. In his desperation, he makes a pact with the diabolical Dutchman Michel, who puts a stone in his chest instead of his heart. Freed from any sympathy, Peter quickly achieves wealth and prestige. But Lisbeth no longer recognizes her once good-natured Peter in the unscrupulous businessman and turns against him. To win Lisbeth back, Peter has to fight for his heart.