“Night School,” released on Sept. 27, fails Kevin Hart and Tiffany Haddish with an unoriginal and mediocre plot.

High school dropout Teddy, played by Hart, finally runs out of luck and must get his GED. Night school teacher Carrie, played by Haddish, helps him understand the errors of his lying ways.

Carrie advocates for the night school program and its motley crew, while the principal, played by Saturday Night Live’s Taran Kilam, works against it as a result of the low-life crowd it brings in.

The unsatisfying plot stems from a stale premise and unneeded minor characters. The biggest subplot is when the students steal the midterm test, foreshadowed after seeing how bad the class is failing. This subplot adds to the lack of originality because movies like “The Perfect Score,” released in 2004, have done this before.

Teddy’s ragtag team of classmates includes an oppressed stay-at-home mom named Theresa, a teenage delinquent named Mila and an ex-waiter named Luis, who Teddy got fired. By the end of the film, all the classmates are friends despite the flaws in their characters.

Haddish and Hart seem to distract the audience from the ordinary plot line. However, their skills do not make up for lack of originality. Writers could have done more with the cast by having a more developed script.

The development of characters adds depth to the film by advancing the plot . After graduating from night school, Theresa stands up to her family, Mila decides to attend college, Luis wants to be a dental hygienist and Teddy finally gets a job.

The film encourages people to get an education and have a successful career. It shows that it’s never too late to go back to school. This film works as motivation for uneducated adults.

“Night School” remains a failure in the comedy world, despite the efforts of Hart and Haddish who have previously shown great potential.