My Professor Is the Underworld King Episode 4
Episode: 4
Episode 4 recap
On the cruise ship deck, two bullies move to attack Alia. An invisible force suddenly throws them to the ground, saving her. Later, Alia wakes up in her cabin to find a man who looks exactly like Professor Alex. After she questions him, he uses a vision to show he was the force that protected her earlier. Alia realizes he is not the professor, grabs a knife, and demands to know his true identity.