“CODA,” the first film featuring a largely deaf cast to triumph at the Oscars, marked a watershed moment for the film industry.

In Siân Heder's first movie since "CODA," Ruth Madeley plays the disability-rights leader Judy Heumann like an officious Joan of Arc.

In Siân Heder's first movie since "CODA," Ruth Madeley plays the disability-rights leader Judy Heumann like an officious Joan of Arc.