The police think the caravan fire was down to kids but Katie has her own ideas. Andy's irritable with her as she didn't insure the caravan. Val wangles an invite to Chrissie and Robert's wedding for Tracy and Sam. Katie storms into Home Farm and accuses Robert of starting the fire. She reveals that Chrissie followed Robert to the hotel as they tease her. Kerry warns Rachel that Sam and Tracy will be going to Robert and Chrissie's wedding.