Taxi!

Taxi is a 1932 American PreCode film starring James Cagney and Loretta Young. The movie was directed by Roy Del Ruth.

When a veteran cab driver, Pop Riley Guy Kibbee, refuses to be pressured into surrendering his prime soliciting location outside a cafe, where his daughter works, the old mans cab is intentionally wrecked by a ruthless mob seeking to dominate the cab industry. Upon learning of the accidental destruction of his cab and along with it his livelihood, the old man retrieves his handgun and shoots the bullying man known to be responsible, which lands him in prison, where he dies of poor health in fairly short order.Pops waitressing daughter, Sue Loretta Young, is asked by a scrappy young cab driver, Matt James Cagney, to lend moral support to a resistance movement populated by other drivers, who are also experiencing similar strongarm tactics by the same aggressive group of thugs. However, after enduring the crushing loss of her father, Sue undergoes a complete ethical reversal about the notion of fighting back, feels thoroughly sickened by the violence and bloodshed, and she angrily tells the drivers as much. ........

Source: Wikipedia