Josh visits Fola, intent on ending things, but despite their best intentions, they end up sleeping together for a second time. Meanwhile, Zack leaves work early to surprise Fola with his Viagra, only to overhear Fola and Josh having sex.
Josh gets into a heated argument with his Dad at the family meal. Meanwhile across the road Zack decides that it's time to confront Fola and tell her that he knows about her and Josh.
Caught between the two women that he loves, Josh asks Nina for some sisterly advice. Realising that he can't keep lying to himself for ever, Josh decides it's time to tell Fola how he really feels about her.
As Josh tries to salvage his relationship with Esther, Fola and Zack rekindle their sexual attraction in the most unusual way. To complicate matters further, the stag and hen party turns up at the same pub that Zack and Fola are at.
Zack gets his prescription back from Esther and their friendship blossoms, each unaware that they are being cheated on by their partners. Meanwhile, Josh discusses the situation with his sister Nina, who advises him to end it with Fola.
Still reeling from the events at her school reunion, Esther bares her soul to her boss, Karen. Realising that she needs to make changes to her life Esther makes a decision about her relationship with Josh.
As the events of the party spiral out of control both Josh and Fola risk their relationships for each other, only for Josh to realise that Fola might not have been entirely honest with him about her relationship with Zack.
Josh stresses preparing a family meal for his Grandad's 80th birthday, and to complicate matters he has to ask Zack and Fola for help. Sensing an opportunity, Zack conspires to get Fola and Josh to spend some time alone together.
Josh bumps into Zack and learns that his father has died, but as Fola has temporarily moved out she doesn't know. As Zack heads off to the funeral, Josh makes a decision and calls Fola. Will she make it to the funeral in time?
After discovering a family secret, Josh decides to make an announcement about his and Esther's future. Reeling from her argument with Zack, Fola realises that perhaps Josh isn't as committed to her as she thought.