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When Grace's boss Rock proposes, her life begins to unravel in a most unexpected way.
The girls visit Grace's mysterious house, Midge's past catches up with her and a surprise visitor helps Lucy decide where her future lies.
Sid has to decide whether to go through with the plan to rip off Hartmann Payne. Grace is still missing and the girls are worried about her safety.
Nicole considers the idea of giving love a chance. Sid and Simon find things awkward between them. Midge's first love officially joins the firm, and the continued search for Grace leads the girls to an unlikely place.
The mystery surrounding Grace's disappearance and the connection with Adam intensifies. Midge explores her past further. Lucy announces she has split from Bob. Nicole is thrown by an encounter with her estranged father. Sid and Rock appear to grow closer.
Midge has developed a wild theory about Adam. Things are now awkward between Sid and Rock. Lucy must decide what to do about Bob. The girls learn the truth about Grace. And, as lies and secrets are revealed in the dramatic conclusion, the result will be fatal for one Hartmann Payne employee.
