'Oprah's Big Give' contestant Brandi gets to work.

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At her first stop in Conyers, Georgia, Brandi meets Gary, an attorney, who tells her that he is building a family shelter. Brandi heads right to the construction site and immediately starts doing some dirty work.

While Brandi is digging, she talks with Ashley, another woman working at the site. Ashley tells Brandi about her friend Dorothy—a single mother who is behind on her rent. Brandi wants to give up to $1,000 to help Dorothy out, and she convinces Gary to match that donation.

"I love when giving starts a chain reaction," Brandi says.