The summer before the final year at college, Frances and her best friend Bobbi meet an impressive couple - Melissa and Nick.

At Melissa’s birthday party, Frances and Nick struggle to resist the attraction between them and kiss.

While Melissa’s away, Frances and Nick meet to talk but their attraction deepens and they begin a complicated affair.

Frances and Bobbi accept Melissa’s invitation to join her and Nick on holiday in Croatia. Having not seen Nick in a while, Frances is nervous.

As Frances and Nick grow close in Croatia, things become strained with Bobbi. Tensions rise when the group are visited by Melissa’s agent, Valerie.

Back in Ireland, things are tense with Bobbi. Frances visits her mother but a bout of terrible pain ends up in hospital when she thinks she is miscarrying.

Bobbi moves in with Frances and they begin their final year at college. Nick and Frances resume their affair.

At Melissa’s book launch, Frances struggles with her feelings for Nick and seeks intimacy elsewhere.

During a health scare Bobbi cares for Frances and Nick makes a surprising revelation

Frances receives a shock email from Melissa and the groups’ dynamics are tested in unsuspected ways.

Frances gets a diagnosis, followed by an admission from Nick that causes her life to spiral out of control.

Frances faces the consequences of her actions and attempts to rebuild her life, but the question of her and Nick remains.