Desc: Sgt. Ernesto 'Boy' Ybañez: Tirtir Gang: Directed by Willy Milan. With Sonny Parsons, Eddie Garcia, Vivian Foz, Charlie Davao. A CONVICT BECOMES A GYM INSTRUCTOR IN A MILITARY CAMP AND BEFRIENDS A GENERAL WHO HELPS HIM BECOMES A SOLDIER. A LIFE OF CRIME, HOWEVER, SEEMS TO HOUND HIM.