After months of anticipation, the Duggars' special delivery is about to arrive... a new grandson! And when Anna goes into labor, the pressure is on. This is Anna's first time not delivering a baby at home but instead at her midwife's house -- more than an hour away. Will the birth go as planned, or will baby #3 make an unexpected entrance? Luckily, Jill and Jana will be there to help her every step of the way. While they wait to meet their new son, Josh, Anna, Mackynzie and Michael head to Washington, D.C. to start looking forward their new home. Can they navigate this bustling city or will they get lost in the shuffle?