A pure divergent dislocation involving the index and middle finger carpometacarpal joints is an extremely rare injury. We present a case of 21-year-old military man, victim of a motor vehicle accident, admitted at the emergency department unable to move his left hand with major swelling. X-rays and CT scan showed a dorsal dislocation of second and palmar dislocation of the third carpometacarpal joints without associated fracture, In the Operating room under general anesthesia, patient underwent closed reduction and internal fixation with percutaneous K-Wires followed by cast immobilization during 6 weeks. Physiotherapy was started progressively after k-wires removal. At two months follow-up, results were excellent and patient has recovered all of his range of motion and hand activities, at one-year follow-up he was able to perform all military exercises such as pumping and climbing.