Siobhan is floored when her new client at work turns out to be Tom, the man she had a secret liaison with. Siobhan is quick to ensure that Tom knows their night together was a one-off, but he is determined to continue their affair in spite of Siobhan's protestations. Siobhan is desperate for her marriage to work, but faced with continual rejection from Hari, can she resist the lure of persistent Tom?
Amongst the chaos of Richard moving in, Trudi is alarmed to find his bank statement showing a mysterious pay-out. Trudi confronts Richard, but he is defensive and will not tell her what the money was for. The mystery seems to be explained when Richard gives her a diamond ring, but it is not long before Trudi's suspicions are further aroused.
After a romantic weekend in bed with Dan, Katie has a sudden change of heart. However, when she later sees him with a pretty colleague, she cannot help but feel jealous. Jack is quick to assure her that Dan is crazy about her, but when Jack and Katie enjoy a drink after work, Jack shows a little interest of his own.
Jessica and Simon fear their business is sinking until Simon mysteriously announces he has saved the company. Wanting to share the good news with Mark, Jessica is disappointed to find he is busy with his PA, Carrie, and her mischievous jealousy drives her into the arms of another...