Though she is intentionally distant and aloof from most people, treating her well-meaning and inviting roommates with the same cordial distance she treats passengers, she does reveal a recent tragedy to a co-worker: her mother died in a roundabout car accident, and she subsequently left her father, sister, and family business behind in Huy to turn her back on her past and avoid facing the reality of her loss and grief.
Cassandre is highly committed to her job and tolerates her pushy, micro-managing boss, and despite her relaxed attitude toward her goals, she constantly exceeds her sales quotas and one day hopes to move to a better airline with better destinations.
Unfortunately, this puts her at odds with her manager, who punishes her for rating her crew too highly during self-assessments during subpar sales periods (yet also blaming her when she explains unavoidable, mitigating circumstances).
Her sister informs her that their father has not given up his attempts to pursue a lawsuit regarding their mother's death, even though his appeals are repeatedly denied due to the fact that the victim was speeding and therefore found at-fault.
The next day, her father consents to destroying his wife's totaled car, and Cassandre visits the site of the fatal accident, which gives the family closure regarding her death.
The website's critics consensus reads, "With bleak humor, Adèle Exarchopoulos takes us on an airborne Zero Fucks Given tour as she tries to outrun grief subconsciously propelled by her desire to live.