Christy, a newly sober single mother, is trying to get her life together, but is challenged when her estranged mother, Bonnie, comes back into the picture on the series premiere.
Christy is determined to take things slow in her relationship with Adam. Meanwhile, Bonnie and her rival from AA, Marjorie, disagree on what taking it slow means.
Christy squares off against Luke's conservative parents who are upset about Violet's pregnancy. Meanwhile, Bonnie is determined not to let menopause get the best of her.
Christy is nervous about going on a romantic weekend getaway with Adam. Meanwhile, Gabriel's wife, Claudia, suspects he is cheating and seeks comfort from Christy.
When Bonnie loses her job and struggles to keep her life together, Christy tries to get her back on track. Octavia Spencer returns as Christy's new friend, Regina.
When Christy and Bonnie find out that Marjorie has cancer, they attempt to make their best to support her, while they try to apply her strength and patience their own lives.
Christy and Bonnie come clean about the secrets they've been keeping from each other. Meanwhile, Violet and Luke discover they have different ideas about parenting. KEVIN POLLAK guest stars as Christy's father, Alvin.
Christy tries to start a relationship with her father, Alvin (KEVIN POLLAK), while Bonnie struggles to accept the fact that Christy wants him in her life.
Christy is tempted by her old vices when she dates an attractive, hard-partying man named David. Bonnie decides her advice is worth money and becomes a life coach.
While looking through possible couples to adopt the baby, Violet faces Luke about his refusal to put the baby in adoption. Meanwhile, Christy considers the possibility of finishing high school.
Christy is caught in the middle when tensions rise between Bonnie and Alvin. Meanwhile, a very pregnant Violet is apprehensive about going to her senior prom.
