Elite personal trainers vie for top clients while indulging in rivalries and romance; Layla and Jay's romance loses some of its heat; Lena seeks guidance from indoor cycling instructor Holly; rumors spread about a new trainer's background.

Questions continue to arise about Joe's background; the tension between Layla and Jay builds; Noah hosts a GQ event, which causes a fracas among the other trainers; Holly dives back into the dating scene.

Lena shows off her bikini bod and "JOAH" is born.

Layla decides it's time to introduce Jay to her free-spirited mother, but the meeting doesn't go as planned; Layla and Courtney go undercover to dig up dirt on Joe which leads to a tense conversation at Lindsey's "dirty 30" birthday party.

Holly sets forth a career-making opportunity to a few of the trainer, leaving one feeling left out; an injured Courtney seeks support from Layla's mother; a trainer leaves Lindsey hanging at an athletic apparel event.

Lena, Courtney and Joe compete for center stage at an audition; Layla and Jay decide to mix business with pleasure in a new business venture.