Writer and Executive Producer Anthony Horowitz breaks down what makes a great fictional sleuth and how to craft the perfect mystery.
Lesley Manville explains what drew her to the project and why she connected with Susan.
Charles leans on Susan to take over as CEO of his publishing firm.
The plot of Alan's new book and the lives of his acquaintances start to converge.
Pünd wraps up his investigation, promising, “Very soon all will be made clear!”
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