Caroline and Charlie decide to bring the wedding forward to tie in with her being at her most fertile as they aim to try for a family of their own. Everybody else,however,assumes that it is because she is already pregnant. Caroline's ex-husband Michael turns up,anxious to get her back and trying to poison her against Charlie but Laura soon sees him off. With Nick released from prison for the day everybody gathers at the church for the happy event but unfortunately it has just caught fire and so the ceremony is conducted out of doors - and then a storm breaks. True ... (thetvdb.com)