Deciding, at their age, they must seize the day, Alan and Ceila plot to tie the knot – in just two weeks! And they don't intend to tell their families either. Will either of their daughters make it in time to see them say 'I do'?
Meanwhile, Gillian is getting on the wrong side of everybody, especially when she confesses to Caroline she slept with John. Caroline's understandably not impressed, and even Alan can't defend his daughter when he finds out – who can Gillian turn to now?
Despite this bombshell, Caroline's trying to be out and proud having asked Kate to move in. But is she really as comfortable with her new relationship status as she wants to be?
Last Tango In Halifax, BBC1, 9pm
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