Ling visits a faith healing revival in Fort Mill, S.C., run by controversial evangelist Todd Bentley. During the visit, Ling says she's challenged by what she thought she knew about faith.

Five transgender people in various stages of transition are profiled.

Lisa Ling explores the challenges of living life on a list of registered sex offenders as she meets with ex-cons in Florida. "They're America's pariahs, pushed into the shadows," she says. Or, as one man living in a swampy campground with other offenders calls it, "the leper colony." Ling also meets a real-estate agent who finds more substantial housing for offenders who can afford it; and follows authorities as they arrest an ex-con accused of failing to register an address change.

"Can prayer make you straight?" Host Lisa Ling explores that notion as she observes some 1100 participants at a Freedom Conference sponsored by the evangelical organization Exodus International, which offers advice on combating same-sex attractions. "I have chosen to live my life through the filter of my faith," says Exodus president Alan Chambers, "not through the filter of my sexuality.

A Texas man travels to Colombia to meet women who advertise for husbands at a marriage website.

Lisa discusses the time she spent in a central Ohio town ravaged by heroin, and the connections that she made with the people along the way.

Updates on the people and situations shown in previous episodes.