Marie makes Taylor take a purity class at church while Olivia visits her sister Emily in Los Angeles and finds herself participating in a risqu  photo shoot. Kolby and her sisters have a wild weekend while Victoria is out of town.

Mark enlists Olivia to lead an outing for troubled teens while Ken and Taylor visit a Christian college. Victoria decides to share a secret from her past with Kolby.

Ken and Marie throw Taylor an 18th birthday party that gets wild as the night goes on while Victoria loosens the reins on Kolby dating. Olivia worries that her partying past could have lasting effects on her daughter.