The friends reunite on a summer trip. COVID interferes with Gareth and Ollie’s wedding. Sam and Zara's relationship plunges into chaos.
Ollie’s wedding ideas stress out Gareth. Harvey makes a stunning confession to Emily. Sam grows suspicious when Zara is invited to Liv and Tiff's party.
James and Maeva return to the cast and catch up on everyone's drama. Maeva reveals a secret of her own. Ollie plays matchmaker for Sophie.
Zara makes a shocking confession. Tristan struggles with Verity and Charlie’s relationship. Ollie and Gareth ask Olivia to be in their wedding party.
Tristan's romantic life heats up as he pursues a new flame. Tiff resents Melissa’s meddling. Habbs gets a memorable gift from Jamie.
Ollie and Gareth's wedding hits another speed bump. Maeva causes a scene at Freddie's party. Tristan gambles on love.
Dynamics change when the gang returns from their trip. Sam attempts to make amends with Tiff. Olivia and Will go on a date.
James has second thoughts about moving in with Maeva. Olivia is torn between Tristan and a new romantic interest. Verity shares a secret with the girls.
While their friends are in Cornwall, Harvey and Emily stay in Chelsea to prepare for their move. Ollie and Gareth talk about starting a family.
Regretting their breakup, Zara begs Sam for forgiveness. Harvey starts to feel uncomfortable around Habbs. Tristan and Olivia smooth things over.
Emily finds herself caught between Harvey and Habbs. Olivia and Tristan go on a date while Ollie and Gareth's wedding approaches.
Gareth and Ollie’s big day arrives. Olivia and Tristan take the next step. Emily and Harvey work on their relationship. Sam and Zara make a fresh start.