Some people might remember the real-life event when a gunman entered a Decatur, George elementary school in 2013 with every intent to kill everyone. Because of the faith and courage of one woman, the gunman surrendered with no one getting killed. This is an emotional story on several levels. When the struggling single mother left home for work that morning, she was contemplating killing herself.

The true story

The irony of this true story is that on the very day that Antoinette Tuff considered suicide, she was used to save the lives of those in the Atlanta school who would have been killed by a deranged killer.

On August 20, 2013, shortly after Antoinette arrived to work at the Ronald E. McNair Discovery Learning Academy as the school’s bookkeeper, her life changed forever. She was in the front office alone with Michael Hill who was fully armed with an AK-47 and hundreds of rounds of ammunition who said over and over that he was there to kill everyone. Antoinette did not panic. Instead, she convinced the gunman to surrender.

The movie

Lifetime is known for airing biopics and they do not disappoint. The particular movie is based on the book "Prepared for a Purpose: An Inspiring True Story of Faith, Courage, and Compassion in Crisis" by Antoinette Tuff and Alex Tresniowski. Seven-time Grammy Award winner Toni Braxton has the staring role of Antoinette Tuff.

Michael Hill, the deranged gunman who has suffered from a history of mental illness, is played by 31-year-old actor Trevor Morgan who starred in "Abducted" in 2013 and other movies since then. Braxton is one of several executive producers along with Bishop TD Jakes.

Toni Braxton

This is not the first time the 50-year-old singer and actor has starred in a Lifetime movie.

She played herself in her own biopic, "Toni Braxton: Unbreak My Heart" in 2016. The film received high ratings for the network.

When Braxton appeared on "Good Morning America" on Thursday, January 25, she said she loves acting, but she has to work hard at it. She said singing is organic, and it comes naturally to her even while she is sleeping.

For her role in "Faith Under Fire," she said she watched videos of Antoinette Tuff to get to know her mannerisms and to portray her being calm as she faced the gunman.

Watch "Faith Under Fire" when it premieres on Lifetime on Saturday, January 27, 2018, at 8 p.m. You will see that Toni Braxton and the rest of the cast really do display faith under fire in the movie.