The honeymoon continues in Puerto Rico as our five couples try to enjoy the sun, sand, and their stranger spouses. But there's trouble in paradise, as some newlyweds struggle to forge a connection before their return to Boston.

The lives of our couples merge even more as they invite friends and family to housewarming parties. Later, a surprising rift is caused by boiling noodles, and a trip to a bowling alley ends up in the gutter.