Kaley & Matt already have a baby! When Kaley finds out Matt is going away to join the military, it gets hard for her to take care of the baby alone! Julia & Nash try to have a baby too, but when they have a miscarriage, it gets difficult for them! Hayes decides to do another movie, but Andrea can't go with him because of his strict director & their long distance relationship is hard. Everyone is back in LA, they meet Grace, Julia & Gabby's friend and help her find love again. Carter still tries to win Grace's heart, but it gets difficult for him. Maddy, Toby, & Anna all move to California & Austin tries to win Anna again by all these different apologies. When Toby gets a check up at the doctor he finds out he has ••• and he struggles to pretend nothing is wrong. Will they all fix their problems and try to make LOVE NOT SO DIFFICULT!?