Quentin does a favour for an old client of his father and learns once and for all that charity doesn't pay. Kate has a win in the industrial court defending a group of textile workers.
Kate and Quentin take a proposal for a televised 'Hypothetical' to the ABC. At the meeting, Quentin is asked to be the legal advisor on the ABC's new drama series.
The drive team from a top-rating radio station meet with Peter/Paul for advice on defamation. The painters bring a worker's compensation claim against the Welchers and Quentin decides to conduct his own covert investigation.
During a power blackout, Quentin locks the entire staff in a stairwell on the hottest day of the year, while Kate has trouble on the way to pick up a Japanese investor from the airport.
Could Quentin finally be forced to perform in the courtroom and actually try and present a solid defence case? Everything comes to a conclusion this week in the final episode of Welcher and Welcher.