The Alpha team, led by Lacson, fall back but find themselves trapped by slum settlers and drug mafias in which they must fight their way out.

Fed up with the relentless operations conducted by authorities, the dwellers of Gracia erupted into a violent riot against the PDEA officers and the drug lords.

In the ensuing chaos, Rico, Bernie, Teban, Chongki, Solomon, Manok and hundreds of other civilians are killed amid the riots and the gunfights.

[15] Journalists write that the film served as a social commentary on the presidency of Rodrigo Duterte and the consequences brought about following his controversial war on drugs.

"[2] Tsui further writes that "Matti is probably making a point by depicting the masses as a loony army," citing the director's criticism of Duterte as well as his supporters, to whom he cast an inflammatory remark through social media.

[2] At the urging of the producers, Matti submitted the BuyBust script to the 2017 Metro Manila Film Festival, but was rejected in the first tier of the selection process.

[18] Matti denounced the incident on a lengthy Facebook post, in which he argued that the selection process was "rigged" to favor "the powerful personalities controlling the festival".

[14] Foreign and domestic critics praised the film for the intensity of its action scenes, commentary on the Philippine Drug War, Anne Curtis' against-type performance, Neil Derrick Bion's cinematography, and Erwin Romulo and Malek Lopez's score.

[3][4][8][26] Clarence Tsui, in a positive review for The Hollywood Reporter, described the film as essential viewing on the Philippines where it is "bound to raise a ruckus when it opens" and "likely to captivate audiences".

[8] Oggs Cruz of Rappler liked Matti's depiction of violence as an attempt to deliver his political message across, "It isn't just a film to be enjoyed for its stunts and astounding set pieces, thrilling and exquisitely choreographed as they are.

Stephanie Mayo gave it 1 out of 5 stars in a pan review for the Daily Tribune, criticizing the repetitiveness of the action whose "speedy editing and the shaky cam prevent you from fully enjoying the gore".

[29] Rob Hunter of Film School Rejects was similarly critical of the action, which he felt were "surprisingly dull and repetitive" and "won't impress in their choreography, but worse, they disappoint in their execution".

[30] Andrew Mack in Screen Anarchy criticized the film's derivative set-up and "awkward and clumsy" action choreography: "All of it feels basic and fundamental at best.

"[31] Both Hunter and Mack agree that BuyBust place emphasis on "quantity over quality",[30][31] with the latter concluding: "While it may deliver in volume it is nothing more than just white noise.