After three weeks of honeymooning, not all the couples are on the same page; each individual must decide for themselves if they are they ready to commit to an engagement, or if they should break up and part ways forever.
The stress of meeting the potential in-laws may be too much for one couple to handle; after another couple reveals that they are currently living together, it is an uphill battle to get their parents' permission for marriage.
Pastor Cal leads the couples through spirituality exercises, forcing them to face their darkest fears; while one couple connects instantly on their shared beliefs, one couple faces yet another roadblock on their road to marriage.
The couples turn up the heat during intimacy exercises and while most take their relationship to the next level, Brandin gets a little too friendly with Tyler, causing one couple to go up in flames. Then, one couple leaves Honeymoon Island for good.
Halfway through their time on Honeymoon Island, the guys confess to Jona they are worried that Brandin is leading him on. Kimber and Shannon struggle to see eye to eye on a potential relationship deal breaker. After an intense group relay race, one couple’s ridiculous fight spins out of control.
To understand the psychology of relationships, the couples are asked to talk about their pasts. For one person, the stress of this accelerated process leads to a major breakdown. A surprise visitor arrives to the island, which may change the course of one couples’ relationship forever.