Jinger and Jeremy's honeymoon in Australia finally gives them some time alone after the excitement of their courtship, family obligations and wedding preparations. Meanwhile, back in Arkansas, another Duggar appears ready to court.
Jeremy's bachelor party and Jinger's bachelorette affair bring together friends and family after weeks of wedding planning. Meanwhile, Jessa and Ben learn the gender of baby No. 2; and Derick goes back to his alma mater, Oklahoma State University to reprise his role as the school's mascot, Pistol Pete.
Jinger goes to Laredo, Texas, with some of her siblings to give Jeremy's bachelor pad a makeover, but they can't agree on where to begin redecorating. Meanwhile, Derick, Jill and Israel get surprising news at their family wellness checkup.