A young and beautiful female teacher starts working in an all boys high school.

Lazy, uneducated male students mostly coming from money, share a very close band. They live together in the dormitory of this private highschool, where they daily plan their latest pranks on teachers or the other classes. Because of the financial crisis, the headmaster agrees to enroll female students. As the new students try to fit in, a struggle between both parties start, trying to prank the other part away. The prank war continues until PE-Teacher decides to take the class out on a trip for a becoming scouts.

Saban, Ramazan and Bayram are sailors in an Ottoman Navy and Hüsamettin is their commander. Hüsamettin's aide Ramazan, Saban who is foster son of Hüsamettin's sister and Bayram who is married to Hüsamettin's niece stays at Hüsamettin's family residence. Hüsamettin's sister thinks Ramazan is her foster son Saban when she realizes her mistake she introduces Ramazan to her brother as her son in law Bayram since she was afraid of Hüsamettin's short-tempered character. Things get complicated when real Saban and Bayram come to the residence. Now Saban has to be Ramazan and Bayram has to be Saban. Meanwhile, a gulyabani (a ghoul from Turkish folklore) haunts the residence.

A sincere and hardworking student joins the Chaos Class, but acceptance seems unlikely when he becomes the target of their pranks.

Clumsy soldiers Şaban and Ramazan fall for a singer-dancer and accidentally become secret policemen tracking down a missing diamond.

Memo returns from Germany to get married with his love but his fathers killer Sulo is being released from jail. As a village rule he has to get revenge for his fahter or he can not get married but he doesn't want to kill so they stage a fake death with Sulo and after that his luck runs out.

The film tells the story of the difficulties faced by two young people who are in love with each other.