'Big Love' Has Nothing on These Polygamists

By KRISTA WICK

October 21, 2011

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Last week, investigative journalist Lisa Ling explored the world of amateur adult films on the debut episode of her new series Our America, and this week Ling shares some seriously unexpected stories from inside the intensely private communities of polygamist families, likely shattering your perception of the lifestyle.

Marlene and Becca are sister wives who relate to the "sister" aspect far more than they do the "wives" bit. With four kids between them, and one more on the way, the two are almost inseparable.

"I have, right now, my best friend living with me," says Becca of Marlene. "I can talk to her about any of my problems. She completely understands because she's married to the same guy."

Likewise, Marlene shares a similar affection for Becca, bafflingly unaffected by what most would deem a toxic atmosphere for friendship. "I probably talk to her more than I talk to Isaiah (their husband)," Marlene attests.

Watch a preview of Sunday's all-new episode of Lisa Ling's Our America airing on OWN.

MORE: The 'Sister Wives' Crew Expecting Child Number 17