Bianca summons up the courage to confess to Ricky. She loses her nerve when Dan intervenes. Pat pleads with Bianca to think again. Bianca insists Carol and Ricky deserve to know the truth. Roy comes home and immediately senses something's wrong. Bianca flees. Roy demands an explanation. Pat tells him everything. Pauline and Jeff join forces to organise an engagement party for Ian and Mel. Pauline tries to enlist Mark's help but he doesn't want to know. Pauline can't work out why. Lisa invites Mel over to celebrate her engagement. The champagne toast sticks in Mark's throat. Mark exchanges some sharp words with Mel. She lets him know the marriage is going ahead with or without his blessing.