About Ring Finger Thief Manhwa. Linda is a girl who lives in poverty searching for her mother who disappeared 10 years ago. One day, her father comes home bringing a drawn map of the location of Rumpelstiltskin’s hut. Filled with anger, Linda burns the map then becomes unconscious. When she wakes up, she finds herself in another world living as the daughter of a duke. Will Linda be able to find her mother and return to her homeworld?