Preview from abc.com:During a surprise mystery date, Byron discovers that two more women are throwing their hats into the ring for his affections, as two of The Bachelors past ""All-Stars"" return for a second chance at love. Meanwhile back at the house, the women are shocked â€” and many are furious â€” to discover that they now have added competition. Then, once again, hell select three women for his dramatic ""Last Chance Talks."" Who will get the roses? Do either of the ""All-Stars"" have a chance at winning his heart?