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Bobby and Harriet start wondering if they will ever be able to afford the wedding. With very different ideas on how the day should pan out and how they will pay for it, will the couple ever come to an agreement or is time to call the whole thing off?
Harriet feels the pressure to be the perfect bride as the wedding draws nearer, but is going on dating apps the answer to boosting her confidence? And will Bobby ever not be angry?
Bobby learns that Best Man, Dylan, is to propose but will he return the honour? Meanwhile, Harriet is forced into a world of pain as she has to cut down the guest list.
As Bobby's excitement grows, Harriet is consumed by worries for her independence. Duplicity, sabotage and Katherine Ryan all feature as the couple's fears and insecurities clash.
The Big Day. Bobby's drunken mentor, Mike, is in town for the wedding but serves only as a reminder of Bobby's bacchanalian past - is he still a fun guy?
The honeymoon appears to be over as Harriet reacts badly to a snap pea but almost nothing will get in the way of the couple's attempts to reach Santorini.
