Cheaters

After their flight from Finland is delayed, strangers Josh and Fola end up getting drunk and sleeping together, unbeknownst to their partners back home; when Josh gets home the next day, he is shocked to discover that Fola is his new neighbor.

After Josh and Fola are reunited with their respective partners, things get complicated when Fola's husband Zack offers his new neighbors an invitation to their housewarming party; Josh's girlfriend Esther happily accepts, leaving Josh stressed.

After the awkwardness of the housewarming party, Fola confronts Zack over their nonexistent sex life; Fola heads over to see Josh, each realizing that there might be more to their relationship than just a one-night stand.

After another aborted attempt at sex with Fola, Zack impulsively buys some Viagra and bumps into Esther; after their prescriptions get mixed up, Zack is embarrassed to realize that Esther will discover what he bought.

Zack manages to get his prescription back from Esther, and their friendship blossoms — each unaware that they are being cheated on by their partners; Josh discusses the situation with his sister Nina, who advises him to end it with Fola.

Josh goes to see Fola, intent on ending things, but despite their best intentions they end up sleeping together for a second time; Zack leaves work early to surprise Fola with his Viagra, only to overhear Fola and Josh having sex.