CBS has announced the winners of the studio’s Leadership Pipeline Challenge short film competition, which supports local L.A. nonprofits.

Now in its third year, the competition challenges early-career storytellers to create short films in collaboration with and highlighting the mission of hyper-local nonprofit organizations. As part of the initiative, CBS provides the filmmakers with education, mentorship, resources, a $5,000 budget and real-world paid leadership experience.

This year’s winning film, “Mi Ofrenda,” reflects the mission of Our House Grief Support Center, which accepted $100,000 donation from CBS, presented by Paramount Global president and CEO Bob Bakish. The short follows Isabella (Frania D. Dueñas), a depressed mother who goes through the difficult but cathartic process of coming to terms with the death of her own beloved father after finally beginning to grieve him properly.

The filmmaking team behind “Mi Ofrenda” consists of director Melba Martinez, writer Emily Parker, casting director Grayson Alamango Shapiro,...