The gang are back from the Big Apple and when Andy hears that his ex Louise has found love with native New Yorker Alik, his reaction is rather unexpected.

Andy is busy telling everyone how he feels about Louise and Alik, while an explosive revelation threatens to tear Chelsea's newest couple apart.

The news of Alik's rumoured infidelity has reached Louise. Proudlock stands by Alik but Jamie thinks there is more to the story. Will and Binky get physical during their personal training session. Will he find it impossible to ignore his feelings? Lucy and Proudlock are struggling to stay just friends.

There's tension between Proudlock and the boys. Will tries to impress Binky on a date. Louise puts the rumours of Alik cheating behind her, but there's a mystery text...

The rumours of Alik's cheating are behind him and his relationship with Louise seems to be back on track. However things soon turn sour for the pair when Lucy hears news that will shake the couple. After saying goodbye to each other in New York, Stevie is adjusting to the news that Stephanie Pratt could be back in London.

Alik wants to know if Louise has hooked up with someone else or not, but she claims to not know what happened that night. Binky reveals something that may turn the story on it's head. Stephanie takes Josh up on the offer of catching up with his new puppy, but doesn't tell Stevie. Sam and Tiff's relationship hots up, but Toff comes between them.

Louise is not happy after she finds out that Andy was rude about her in front of all her friends. Stevie decides that he needs to try and sort things out once and for all with Stephanie.

Louise is determined that Andy not be involved in her new relationship. The identity of Sam's mystery bed partner is revealed and with the revelation comes some new information, meaning he has to face the wrath of the Watson sisters. Binky's friendships are on the line, when it becomes apparent she hasn't been completely honest.

Spencer returns to Chelsea with a new girlfriend. But Stephanie wants to let his new beau Lauren Frazer-Hutton in on his past. Fran seeks advice about her fallout with Binky from the last person she'd want her to go to.

Spencer and the boys enjoy a debauched night out, while the girls' spa break ends up being anything but calm and relaxing. Louise throws a 'fiery couples' dinner party as Spencer's new girlfriend Lauren manages to ruffle Stephanie's feathers.

Spencer and Lauren are in the spotlight, but will Louise enter the spirit of forgiveness and finally lay her ill feelings towards Andy to rest? And can Sam salvage any form of friendship with Tiff?