Series 4

01 Episode 40 Episode 11st September 1988 As air-sea rescue searches for Charles and Avril, Sir Edward waits on Jan's answer to his proposal and Ken Masters looks to cash in on the plummeting Frere Holdings share price. 02 Episode 41 Episode 28th September 1988 Jan comes under pressure after a break-in at her design house, Sir Edward involves Tom in plans for the America's Cup and Polly sets her sights on becoming a top business woman.  03 Episode 42 Episode 315th September 1988 Avril has discharged herself from the clinic, Jan offers Tom her shares in the Mermaid, Leo races for Relton and Abby does a photoshoot.  04 Episode 43 Episode 422nd September 1988 Sir Edward and Ken discover their proposed oil site is a designated bird sanctuary, Sarah scuppers a Russian Leisure Cruise deal and could Jack be leaving the Mermaid Yard?  05 Episode 44 Episode 529th September 1988 Jan is befriended by fashion executive John Soames, Avril discusses her marriage proposal with her father and a big win at the races funds Jack’s plans for a wooden weekender vessel.  06 Episode 45 Episode 66th October 1988 Sir Edward provides Tom with some unwanted information about his America's Cup rivals, Ken and Sarah's business relationship becomes more acrimonious and Jack collapses on board the Barracuda.  07 Episode 46 Episode 713th October 1988 A race against time to save Jack's life, counterfeit dresses of Jan’s stolen designs turn up in Guernsey and an embittered Ken is backed into a corner.  08 Episode 47 Episode 820th October 1988 Abby’s custody battle receives a boost, Polly has plans to go into business and just who will Leo be racing for in the world championships?  09 Episode 48 Episode 927th October 1988 Emma takes the Orkadian for a trial run, Abby is desperate for her photographic exhibition to find critical success and Tom and Emma accept an appealing business proposition from Charles.  10 Episode 49 Episode 103rd November 1988 Mike uncovers some secrets from Sir John Steven's past. Robert Hudson’s imminent arrival puts pressure on Abby and Jan and Jack and Emma organise the Tarrant Treasure Hunt.  11 Episode 50 Episode 1110th November 1988 Robert Hudson arrives in Tarrant to discuss custody of William, Jack and Tom fall out over the future of the Mermaid Yard and Ken continues on his mission to expose Sir John Stevens in the press.  12 Episode 51 Episode 1217th November 1988 Polly discovers Gerald has been cashing cheques from their account and they are virtually bankrupt, Charles and Avril meet head on and Abby returns home, putting the custody of William at risk.  13 Episode 52 Episode 1324th November 1988 A mystery buyer is scooping up Relton Marine shares, the Fraud Squad visit Tarrant and Leo goes head-to-head against Ken in the powerboat championship.