Frustrated by the waning passion in her marriage, Billie starts journaling about — and obsessing over — her wild erotic exploits with ex-boyfriend Brad.

While Cooper decides to check out the competition, Billie dwells on the passionate highs and soul-crushing lows that defined her romance with Brad.

Billie's outing with her fellow moms stirs up memories of Brad — and has her making a beeline for Sasha. Cooper unloads his marital worries.

Billie seeks help to untangle her feelings about her marriage and Brad. Cooper receives a tempting proposition after a rewarding day at work.

As Brad broods over the mistakes he made with Billie, she and Cooper bite off more than they can chew in a bid to spice up their marriage.

Faced with the repercussions of their double date with Devon and Trina, Billie and Cooper arrive at a make-or-break moment in their marriage.

In the middle of starting over, Billie steps out of her comfort zone for a night of fun. Sasha rekindles an old flame, and Cooper ignites a new passion.

Billie enjoys a blissful romantic interlude. Sasha unveils her relationship in a big way. Cooper seizes a tempting opportunity that soon backfires.

As Brad seeks comfort in a moment of crisis, Sasha does damage control, Billie's spa day turns awkward, and Cooper faces fallout from his life choices.

Billie looks to make a fresh start amid an emotional day. Sasha's soaring success isn't what she expected. Cooper's wild night swerves out of control.

A fiery incident brings revelations to light for Billie as Cooper confronts his demons, and a joyous celebration of love leads to new beginnings for all.