Chop the plums coarsely, bring to the boil with wine. Cover and let cool off. Puree in wine. Coarsely grate 200 g marzipan, stir with puree until creamy. Pour into the hearts almost to the brim (perforated spout), smooth out. Let dry overnight at room temperature
Coarsely grate 50 g marzipan and knead with 2 tbsp. icing sugar. Roll out 2-3 mm thick on some icing sugar, e.g. cut out hearts etc. Coarsely chop the chocolate coating, melt in a hot water bath, fill into 1 plastic bag and cut off 1 small corner. Close hearts with it and decorate with marzipan. Store in a cool place