During a night out, David and Siri meet Camille. A flirtatious game begins where the boundaries are gradually dissolved. In an act of submission of the moment and drunken curiosity, they have a threesome.
Siri wakes up and discovers David asleep wrapped around Camille's body. She wakes him up, and like thieves in the night, they sneak out together without saying goodbye. Has something changed between them now?
David is in Sweden, and with Siri left alone in London, her anxiety over the threesome becomes overwhelming. She does her best to handle it and goes out partying with Miriam and Josephine.
Siri and her friends from the university celebrate their half-term exam. Siri tries to get further and further away from David and in the heat of the moment she meets John. Immediate attraction arises.
Siri and David's relationship is breaking down and after a big quarrel, Siri runs away from home. In the heat of the moment, she contacts John and now she is suddenly at his home.
Siri and David celebrate their seventh anniversary and check-in at a luxury hotel. She can not stop thinking about John while David tries to get close. Siri reveals her feelings.
Siri has ended things with John. Camille invites Siri and David to a party, after which Siri persuades David to come with her, not knowing that John will be at the same party.
