Christy and Todd are looking forward to being part of two important weddings. Christy would never think of missing Katie's big day, even though she's getting married in Kenya. Todd has been waiting his whole life to stand up as the best man for his dad's wedding. How will these two grand events fit into their lives and what will Todd say when Christy tells him the doctor's diagnosis the day before they leave for Africa? Will they finally settle in and start a home?