Award winning comedy drama and PBS favorite Last Tango in Halifax returns for a second season as the two childhood sweethearts work to finally make a life together. After Alan's (Derek Jacobi, GLADIATOR, THE KING'S SPEECH) near fatal heart attack, he and Celia (Anne Reid, CORONATION STREET, UPSTAIRS DOWNSTAIRS), decide to marry secretly - but how will their daughters react? Uptight Caroline and rebellious Gillian discover they actually quite like each other, but will the fact Gillian spent a night with Caroline's ex-husband John jeopardize the stepsisters' fledgling friendship?