On the last day of school to celebrate graduation and the end of another school year, the Coyne twins throw a party at their mansion. Spinner finds out, overhearing Holly J. and Jane talk in the changing room, that Jane had an affair with Declan a few months ago. Furious and distraught he breaks up with Jane in front of everybody. He comes back to the Dot to find out that Emma accidentally caused it to blow up in flames. Meanwhile, Holly J. and Declan commence their summer of love with Fiona and Jane tagging along.