Based On A True Story, National Geographic

Season 1, Episode 7

Temptation creeps in on Ava and Nathan as they try to move on from the auction.

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A married realtor and a former tennis star struggle to stay afloat as an infamous serial killer terrorises LA.

After Nathan's botched proposal, Ava fights to keep him on target. When detectives visit the club, a petrified Nathan worries he's a suspect.

Matt drops in on Nathan at the Beverly Club. Meanwhile, Ava and Nathan try to maintain power.

Ava and Nathan surround themselves with thousands of true crime addicts at Crime Con in Vegas.

Ruby drags Ava and Nathan on a wild night out after tragedy strikes Crime Con.

A charity auction for teen runaways goes horribly awry.

Temptation creeps in on Ava and Nathan as they try to move on from the auction.

With the cards on the table, Ava and Nathan race against the clock. Meanwhile, Matt prepares to expand the operation.