In this episode, Ruth Higgins heads to Birmingham, AL to help Marshall (35) and Tanisha Ristway (34). They have four children named Mary (11 1/2), Katie (10), Zack (8) and Lucas (6). While Mary, Zack and Lucas are well behaved, it's Katie who rules the roost with her demanding tantrums and refusal to sleep in her own bed. Will Ruth put a stop to Katie's behavior?