Sandbox Films is releasing Penny Lane’s “Confessions of a Good Samaritan” in select theaters beginning June 28.

The docu, which premiered at the South By Southwest film festival in 2023, focuses on Lane’s decision to give one of her kidneys to a stranger, which turns into a funny and moving personal quest to understand the nature of altruism. The film also investigates the ethical controversies surrounding organ donation and Lane’s own motivations for giving away her kidney.

“Five years ago I tried to prepare for the first and only major surgery of my life,” says Lane. “I made an effort to remind myself why I was doing this; to save a stranger’s life. It was right around this time I decided to start filming this once in a lifetime experience. I was very lucky to lean on my collaborators who supported me throughout every twist and turn of this surprising,...