Five couples arrive at a luxury retreat for intensive therapy. Infidelity shakes Kalani and Asuelu's world, Angela threatens divorce and Yara confronts her nemesis.

A blindfolded obstacle course puts relationships to the test. Angela communicates better with another man than with Michael and Yara reveals a secret she's been keeping.

Liz triggers Angela, who ends up having to discuss her anger issues with Dr. Janie. Liz and Ed struggle to communicate and Kalani and Asuelu take a shaky step forward.

Therapy exposes the couples' intimate vulnerabilities. Jovi and Yara struggle to get on the same page while Molly and Kelly seem to reach an impasse.

The couples talk about how the therapy went. Jovi plans a surprising experience for Asuelu, and Angela scares Kalani and Yara with what's hidden in her swimsuit.

Kalani, Yara, Angela and Liz bond at a lingerie party, and Yara talks about her insecurities. Kama Sutra therapy pushes one couple to their breaking point.