There he encounters super-soldiers, highly advanced robots, JACKs, including a a modified Gun Jack model, and clones of Heihachi Mishima, all of are encountered within the laboratory complex. He then heads to a laboratory of G Corporation, run by their subsidiary ' Medicern', to find her. Just after the tournament, Jin has heard that his mother, Jun Kazama, may be alive. Devil Within purports to take place during the events of Tekken 5.