Aytaç Arman and the beautiful blonde Sema Eyüboğlu are a married couple living in a hostel. Aytaç has secret feelings for Tülin Örsek, who stays in the same hostel. Actually, Tülin is not against Aytaç. In fact, he has such passionate feelings that he spies on Tülin, Aytaç and Sema through the door while they are making love in their rooms in the hostel. Aytaç soon realizes Tülin's interest in him. Secret lovers try to get together whenever they get the chance. On a rainy day, Tülin, whose clothes are soaked, can barely get into the hostel. Aytaç, on the other hand, cannot stop thinking about Tülin that night. Aytaç risks everything and enters Tülin's room. Although Tülin does not want to make love at first, she soon leaves herself in Aytaç's arms. Before the secret lovers can get enough of each other, Sema's brother Yıldırım Önal comes out of prison and joins his sister. Tülin will use Yıldırım to end this forbidden love. Yıldırım, who is madly in love with Tülin, is not aware of what is happening. What will happen to these young people who fell in love with each other in the same hostel?