Spade struggles to find the real killer who kills the same partner. Because of his previous actions he is even suspected in the killing of his partner. Characters in the story and the readers do not trust Spade in this story. Spade is self serving and selfish. He is portrayed as greedy and wants to accrue a lot of wealth in short time and does not hesitate to indulge in illegal actions. This characterization makes the character more relatable as he is human. The personality has the unique ability to provoke the reader and make the reader invested in the story line. This is the ultimate action that every writer expects. Hammet has executed this charmingly and artfully. Usually the main protagonist is portrayed as someone who chooses only ethically correct path (Gates). However in real life people are actually an amalgamation of right and wrong values. The author understanding this inherent nature of humans has developed this character. The detective is not without talent he finally solves the case of who kills his partner. He is shrewd diligent in his efforts. The character has the mental agility of Sherlock Holmes and the physical attributes are similar to that of depiction of Alistair McLean’s counter espionage agents.