[7] After failing their latest mission, a group of young narcotics detectives led by squad chief Go are offered one last chance to save their career.

[16] On January 25, 2019, just after three days after release, Extreme Job surpassed 1 million viewers.

It set a record of exceeding 1 million views in the shortest period of time for a January comedy film in Korea.

[21][22] On February 10, just in 19 days, Extreme Job became the highest-grossing Korean comedy film of all time by reaching 12,835,396 moviegoers setting a new record.

It is now second place behind The Admiral: Roaring Currents which still reigns on top with 17.61 million moviegoers in total.

[26] Extreme Job and Chinese film Lobster Cop (龍蝦刑警, released in June 2018) were developed in the same project called the 'Korean-Chinese story co-development project' that was a cooperation between Chinese and Korean companies, with the same script localized differently in their respective countries.