story for a movie

TWO BROTHERS...one is a top secret agent...other is with mafia gang...his brother wants to him to leave that gang...one day he deicded to leave the gang...they say if he leave they will kill him...one day he come to know that they killed his father...his father was also a part of that gang..thats was his son also involve with them...he saw that disk where his father found something abt that gang and he was killed...then he call his brother to tell him abt disk...the day they had to meet his brother got called...now his brother has a mission to snatch the disk from mafia gang.........