Things heat up between Austin and Summer.Sharon shares her new developments with Dr. Mead and tries to get closer to uncovering her secret. Later, Nick tells Sharon why he is so worried about her going to help Mariah.Tyler confronts Nick about telling Abby to end their engagement.Avery receives a troubling message.Cane plans a surprise for Lily’s birthday. Meanwhile, Jill and Colin find out more about Katherine’s necklace. (thetvdb.com)