Callan (Brian Austin Green) returns to the scene with his team in order to oppose the return of the evil Gunnar (Vinnie Jones); his path crosses again with Frank Nitti (Tom Sizemore) detective under the city of Los Angeles. Callan (Brian Austin Green) returns to the scene with his team in order to oppose the return of the evil Gunnar (Vinnie Jones); his path crosses again with Frank Nitti (Tom Sizemore) detective under the city of Los Angeles. Parental Guide