Kal Kissne Dekha is a romantic fiction that revolves around a boy named Nihal Singh (Jackky Baghnani), a science enthusiast who loves building complicated gadgets. Nihal gets admitted to his dream college where he bonds with his Professor (Rishi Kapoor) and asks him all types of science questions. He finds out he can see the future and use it wisely to help others. Nihal finds out that his professor is planning a bomb. He tries to stop his evil Professor; however, will he succeed?