Watch the official trailer for Serving Life - an OWN Documentary Club film that takes an inside look at an extraordinary hospice program where hardened criminals care for dying fellow inmates.

Narrated and executive produced by Academy Award-winner Forest Whitaker, the film takes viewers inside Louisiana's maximum security prison at Angola, where the average sentence is more than 90 years.

Premieres on OWN Thursday, July 28 at 9/8c