Martin and Sonia's wedding day dawns and the couple are excited about their impending nuptials. However, Jim arrives at the hotel and Sonia issues him with an ultimatum. Meanwhile, Martin is beginning to worry about Pauline.
Back at Albert Square, Dot and Pauline try to stay positive and, confident that Jim will convince the couple to return for the ceremony, they push ahead with the arrangements.
Elsewhere, Kat breaks down and confides in Zoë; and Mickey gets stuck up a ladder as a result of his latest business venture with Mo.
