After getting engaged to Kerwin, Tonya organizes a couples' retreat in Puerto Rico; surprise guests crash the trip; Christy makes a shocking discovery about a friend; a confrontation turns physical.

Christy and Todd open up and share things with each other; the Tiny Twins make twerking a relationship-building exercise; after only a few days, one couple may decide the retreat is more than their relationship can handle.

A private argument at breakfast quickly turns public and heated; Todd eagerly wants to have new life experiences with Christy; Jazmin and David's relationship hits a stumbling block when David reveals an intimate secret.