It's the first Radford wedding in a decade - Noel and Sue's third eldest daughter, Millie, is getting married to long term boyfriend Harley. It's the ultimate coming together of two very different families, from two very different backgrounds. There's going to be fireworks! Chloe, the Radford's second eldest daughter, has a shock announcement. And as the big day creeps closer, Harley and Millie are faced with an onslaught of unexpected challenges that threaten to derail the whole celebration - from catastrophic dancing lessons, to lost wedding rings, and devastating family feuds. So will this young couple ever get the wedding of their dreams?