"My first care the following morning was, to devise some means of discovering the man in the grey cloak"

Adelbert von Chamisso's quote recommends that he was figured out to discover the guy in the grey cape. He was so identified that his very first thought the following morning was to figure out a method to locate the male. This suggests that the man in the grey cloak was of excellent significance to Adelbert von Chamisso. Maybe the man had actually done something to Adelbert von Chamisso or he knew that Adelbert von Chamisso needed. Whatever the reason, Adelbert von Chamisso was identified to find the guy in the grey cloak and was willing to put in the effort to do so. He was willing to put in the time and energy to come up with a plan to find the guy. Adelbert von Chamisso was determined to find the male in the grey cape and wanted to do whatever it took to do so.