After their flight from Finland is delayed, strangers Josh and Fola end up getting drunk and sleeping together, unbeknownst to their partners back home. Show more

After another aborted attempt at sex with Fola, Zack impulsively buys some Viagra at the chemists and bumps into Esther. Their prescriptions get mixed up, to Zack's embarrassment. Show more

As Zack tries to process what he witnessed the night before, Josh and Fola try to agree the rules for their clandestine relationship. Show more

Reeling from the events at her school reunion, Esther bares her soul to her boss. Realising that she needs to make changes, she also makes a decision about her relationship with Josh.

After discovering a family secret, Josh decides to make an announcement about his and Esther’s future. Meanwhile, Fola is left reeling from her argument with Zack. Show more

While out on their joint stag and hen do, Esther discovers a secret that threatens her relationship, and Josh is forced to make a confession. Show more

As the events of the party spiral out of control, Josh and Fola risk their relationships for each other, only for Josh to realise that Fola might not have been entirely honest. Show more

After the awkwardness of the house-warming party, Fola confronts Zack over their non-existent sex life. Fola heads over to see Josh. Show more

After Josh and Fola are reunited with their partners, things get complicated when Fola’s husband Zack offers his new neighbours an invitation to their house-warming party. Show more

Zack manages to get his prescription back from Esther, and their friendship blossoms, each unaware that they are being cheated on by their partners. Show more

Josh gets stressed as he prepares a family meal for his grandad’s 80th birthday, and to complicate matters, he has to ask Zack and Fola for help. Show more

Josh gets into an 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.

Still trying to patch-up his marriage with Fola, Zack goes to pick up his dad from the airport, only to be faced with some devastating news. Show more

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 calls Fola. Show more

As Josh tries to salvage his relationship with Esther, Fola and Zack rekindle their sexual attraction in the most unusual way. Show more

Caught between the two women that he loves, Josh asks Nina for some sisterly advice. He decides that it’s time to tell Fola how he really feels about her. Show more

Josh goes to see Fola, intent on ending things, but despite their best intentions, they end up sleeping together for a second time. Show more

Esther’s school reunion goes disastrously wrong as she is forced to face some difficult truths about her life and the decisions she has made. Show more