Cami is a dedicated student of entomology that is researching insects in her sorority house. When her sorority sister Josi sprays insecticide on her bugs, Cami becomes upset. But sooner she learns that the insects had grown bigger and bigger and she and her sisters are under siege by the insects. Further, Josi is the host of the breed of mutant insects that are very hungry.

During a 21-day bachelor trip before his wedding, Neal falls in love with Nikki, a woman he slept with. Things get further complicated when Nikki turns out to be his fiancee's cousin.

A park ranger must protect hikers from an invasion of meteor-spawned aliens and hunters that want to eliminate the creatures - and any witnesses to their arrival on earth.

After discovering they are all dating the same same guy, three popular students from different cliques band together for revenge, so they enlist the help of a new gal in town and conspire to break the jerk's heart, while destroying his reputation.

FBI agent Neville Flynn boards a flight from Honolulu, Hawaii to Los Angeles, escorting a key witness to testify against a mob boss at an upcoming trial. An on-board assassin releases a crate full of hundreds of deadly venomous snakes in an attempt to eliminate the witness. Flynn and a host of frightened passengers and crew must band together to survive the slithery threat.