In February 1965, Seyed Ali Andarzgou along with several others waited in front of the parliament building to assassinate Hasan Ali Mansour. The assassination is carried out successfully, but the officers arrest and execute all the perpetrators of the assassination except Seyed Ali Andarzgou after a lot of investigation. SAVAK agents are looking for Andarzgou because they consider him to be one of the main designers of the assassination, but Seyed Ali Andarzgou continues to fight in disguise and reaches the border of arrest several times, but he is saved and every time he is forced to go with The family moves to another city or village. For the last time, SAVAK agents besieged his place of residence and Seyed Ali Andarzgou was martyred after a severe armed conflict.