It stars Gillan, Lee Pace, Matthew Beard, Paul Higgins and Siobhan Redmond.

Stuck in a dead-end job selling cheese at a supermarket, she spends her evenings binge drinking and engaging in casual sex with strangers.

These behaviours are coping mechanisms she has adopted to deal with the suicide of her best friend, Alistair, who died by jumping off a bridge in front of a train almost a year earlier.

In November 2016, it was announced Karen Gillan would direct, write, and star in her first directorial feature film titled Tupperware Party.

[2] In January 2017, Lee Pace, Matthew Beard, Paul Higgins and Siobhan Redmond joined the cast of the film.

The website's critical consensus reads, "The Party's Just Beginning takes a bravely unorthodox dive into difficult themes – and proves writer, director, and star Karen Gillan is a filmmaker to be reckoned with.

"[15] On Metacritic, the film holds a weighted average score of 68 out of 100 based on seven critics, signifying "generally favorable reviews".

[17] In September 2020, the Inverness Courier reported that a student from Inverness was selected in a competition inspired by The Party's Just Beginning to go to New York Fashion Week, held by Mikeysline and Fashion Week Online, in a contest meant to create awareness for World Suicide Prevention Day.