Evie is a risk-averse quality-control assessor, who appreciates order. Then Evie meets charming, free-spirited Xavier , who encourages Evie to carpe that diem, because he believes humankind has a mere eight months and twelve days until a runaway asteroid smacks us all into stardust. That’s why he made an Apocalyst – a tally of every last thing he wants to do before the world goes kaput. So with the help of her friends, Evie must decide whether Xavier is certifiable and whether that even matters, if being with him means living her life more fully.

Evie and Xavier's relationship hits a snag when his escaped convict cousin Jesse wants to move in. As they continue to cross off adventurous Apocalyst items, Evie faces possible downsizing at work, and Xavier helps her confront her fear of failure. Meanwhile, Hank helps Timothy revamp his image in an attempt to win back Evie.

When Xavier’s attempt to publicize his apocalypse theory gets him arrested, Evie begins to wonder if her crazy fun new boyfriend is actually just plain crazy.

When Evie meets Xavier’s polyamorous, free-spirited friend Tuesday, she sets out to test her own personal boundaries. Things begin to heat up between Deirdre and Hank.

Evie attempts to make amends with her former best friend Fern, while Xavier realizes he needs to tell Evie how he really feels about her.

Xavier's unpaid debts catch up to him, while Evie works to make things right between her parents. Kareema forges a surprising new connection and Hank uncovers an interesting secret about Deirdre.

Evie and Xavier struggle with saying those three little words to each other, while Hank and Deirdre attempt to keep their relationship under wraps. Evie also decides to pursue her dream job and goes to great lengths to impress the CEO, which ends up backfiring.

Xavier gets a job at Cybermart to spend more era bearing in mind an overworked Evie, but ends taking place complicating her moving picture once he rallies the warehouse employees into a strike. Meanwhile, Kareema decides to outlook her feelings approximately her unnamed fanatic and makes a bold cause problems.

Evie must enlist Timothy's help after a hurtful secret shatters Xavier's world. Meanwhile, Kareema tries to help her brother through heartbreak and Hank finds he has competition for Deirdre's affections.

When Evie confronts Xavier about his past, Xavier realizes it's finally time to resolve his issues with his father. Evie uses the time away from Xavier to re-connect with Timothy, who's been inspired by her new carpe-diem lifestyle. Hank covers for Deirdre when she gets sick, but it quickly gets emotionally complicated for the ex-lovers, and Kareema makes a shocking discovery about her reputation at work.

After learning the Cybermart Seattle branch is closing, Evie searches for a way to keep the gang together. Meanwhile, Xavier dives deeper into his asteroid research and makes a startling breakthrough.

Xavier discovers his asteroid research has been validated, which changes everything. While an unknowing Evie takes a solo journey to think about her future, Timothy distracts himself with a different kind of trip, and the Cybermart gang endures Deirdre’s harsh new rules.