The couples confront death, as a fatal crime scene leads to painful farewells. Later, Tanner shuts down; Amber panics; Storm laughs at the exercise; and Merika has an ultimatum for Margeaux.

Drama erupts when the stars fight dirty; KeKe storms off in a tirade; Amber breaks down over Jim's belligerent drinking habits; Nikko battles to win Margeaux back.

A social mixer leads to chaos when ideal partners are introduced to the couples. Later, some people feel jealous; Storm gets angry; and Jim argues with Dr. V.

The couples participate in a communication drill; and one couple is caught cheating. Later, Margeaux and Keke argue; Nikko and Margeaux rekindle old flames; Merika's jealousy leads to a meltdown; and Jim becomes angry with Amber.

The couples talk about sex, which leads to shocking confessions. Later, Merika's furious after Margeaux reveals a desire for her ex; Keke and Margeaux get in an argument; and Amber exposes a dark secret.

The couples reveal secrets from their dark pasts; Karen breaks down regarding her father's role in her uncle's murder; and Tanner storms off after being pushed to open up. Later, Merika hits rock bottom.

The stars are challenged to forgive themselves. Later, Jade's pushed to the edge; Keke and Margeaux face off; and lies about a secret kiss lead to trouble.

The couples take lie-detector tests, which leads to secrets being exposed. Later, Karen and Amber get into a fight during a night on the town.

In the sixth-season finale, chaos ensues at the ring ceremony. Later, one spouse gets cold feet; someone's partner flees the mansion; Keke learns the results of her pregnancy test; and divorce papers are served.