Mike is inspired by their honeymoon trip to Paris to change his life and travel the world, while Molly worries how their family and friends fared at home without them.
When Vince throws out his back, Joyce conveniently disappears, leaving Mike and Molly to care for him. Meanwhile, the newlyweds struggle to write personalized thank-you notes for their wedding gifts.
Mike and Molly decide the time is right for them to start trying for a baby. Meanwhile, Carl gets upset when he learns that Molly is still spending time with Christina after their breakup.
With the house feeling too cramped and crowded, Molly plans a family yard sale. Meanwhile, Mike and the guys take Carl on a fishing trip to help him forget his breakup with Christina.