Küçük Sevgilim: Lale, who lost her parents at a young age and lives with her sister Nevin, is studying at medical school. Murat, a renowned brain surgeon, arrives at Lale's school as a teacher. All the girls at school have their eyes on Murat. However, the young man falls for Lale. Murat does everything he can to win Lale's trust and eventually wins her heart. The couple plans to get married after graduation. However, Nevin's illness complicates matters.