David's spent the night in his car parked on some wasteland. Gail's worried about David and phones the police to report him missing. David climbs up on to the factory roof to watch the proceedings at the Platts'. He's pleased to see the police pull up outside. Sarah's insistent that David's not going to spoil her wedding as she sets off for church. David watches his family leave for the wedding. He's furious they're still going ahead despite his disappearance and the suicide note. David drives to the canal and parks up. He leaves a message on the answerphone at No.8 saying he's going to kill himself. David drives his car into the canal. A shocked passer-by phones the police. Sarah and Jason's wedding is in full swing when the police arrive at the church. They tell Gail that David's car has been found in the canal and they're looking for his body. Gail leaves the church beside herself with worry. Sarah's still convinced that David's just trying to ruin her wedding and insists the vicar