"She didn't trust in love anymore, but she trusted him. And that's all that he needed." Maithili Singh 19 years old. First-year MBBS student. She is bright at everything except her life. Heartbroken from her first crush, she loses all her hopes in love. She decides to have a fresh start in her life by entering her university. She loses all her firsts, which she had dreamt about for years, in one night. Little did she know that the man she gave all her firsts to would take her lasts too. Shiv Dohling 28 years old professor of neurology. He is a talented surgeon with a not-so-secure future despite having a good job because of some hidden secrets of his life. One night, he takes a lady in black dress's all firsts, but little did she know that she took one of his firsts too that even he didn't know about. By becoming his first obsession.