The whole gang are at a polo match. Will sparks fly when Ollie runs into Gabriella? And Spencer is trying to move on, but will Caggie's decision to disappear to New York break his heart?

It's Masquerade Ball time in Chelsea and there are a few surprises when Spencer decides to try a different approach to win the affections of childhood sweetheart Caggie.

Hugo and Spencer organise a surprise trip to Cannes to celebrate Caggie's birthday, and with Millie by her side the foursome explore the millionaires' playground on a luxury yacht.

The cracks in Funda and Spencer's relationship continue to grow, and a surprise trip to Cannes for Caggie's birthday pushes Spencer to make a heartbreaking decision.

Ollie confides in Binky the real reason he broke up with Gabriella and how his life is about to change dramatically. And Hugo is caught between two women, and there's nowhere to hide!

Hugo invites the group to a day of country shooting. Sparks fly when Funda confronts Caggie about her feelings for Spencer. Millie has moved on from her date with Fredrik, setting her sights on Hugo.

Rosie throws a dinner party and there's tension in the air as all eyes are on Caggie and Spencer's girlfriend Funda, as the two women meet for the first time.

The group are brought together for a glamorous launch party hosted by socialite Amber Atherton. The event reunites childhood sweethearts Caggie and Spencer, who still have feelings for each other.