EXCLUSIVE: Sharon Stone Delivers a Devastating Performance in New 'Life on the Line' Clip

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Sharon Stone is no stranger to delivering powerhouse
performances as seen in The Mighty, Bobby and Casino, which earned her an Oscar nomination, as well as on TV in The Practice and Law & Order: SVU.

After a short break from the big screen, the 58-year-old
is back with several new films, including spring’s Mothers and Daughters and the new working-class drama, Life on the Line, which co-stars John
, Devon Sawa and Kate Bosworth.

In the Lionsgate Premiere film about linemen who put their life on the line to
keep the electric grid running, Stone plays an emotionally-exhausted mother to
Duncan (Sawa). And ET has an exclusive first look at a devastating scene she
shares with her on-screen son. (Watch above.)

MORE: John Travolta and Kelly Preston on Playing John and Victoria Gotti: 'You Can See the Intimacy'

While there’s no questioning Stone’s raw star power seen in
the film, there was a time when the actress herself didn’t know if she had what it
takes. But it was a chance meeting with late boxing legend Muhammad Ali at age
17 that gave her the motivation she needed.

“I was in the Miss Pennsylvania pageant and he was in
Hershey, Pennsylvania, when I was there and I met him,” Stone recalled earlier
this year. “And then he called my father and offered me a part in his film that
he was making.”

While Ali saw Hollywood potential in the young Pennsylvania
native, Stone's dad thought otherwise. “My father said, ‘She is not going to be
in film,’” Stone continued. "He told my father, ‘You may think that she is
not, but she is. You cannot hide that girl under a bushel basket. Her light is
too bright.’”

Inspired, Stone quit school to move to New York City, where
she was signed by Ford modeling Agency and eventually landed her first
on-screen role as “pretty girl on the train” in Woody Allen’s 1980 dramedy, Stardust Memories.

Life on the Line
is in theaters and on demand Nov. 18.