A couple meet a woman on a night out, and a game begins where boundaries dissolve, with their acquaintance leading to a threesome.

Siri wakes up and discovers David wrapped around Camille's body. She wakes him up, and like thieves in the night, they sneak out without saying goodbye.

David is in Sweden, and with Siri left alone in London, her anxiety over the triangle 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. Siri tries to get further and further away from David and in the heat of the moment she meets John, where immediate attraction arises.

Siri and David's relationship seems to be slowly crumbling and unravelling. An argument leads Siri to pack up her things and leave the apartment.

John wants to know if his feelings for Siri are mutual and David also wants an answer. Siri meets Camille, who invites her to a party.