Irresistible S01E18 - Episode 18

Kimhan proposed to his girlfriend Mookrin. But ever since Kimhan's sister was believed to be killed by Tada, who's Mookrin's brother, Kimhan's attitude is completely changed. Charges against Tada were dismissed. It seemed Mookrin provided testimony proving Tada was at home at the night of the incident. Kimhan is certain that Mookrin lied to help her brother, and begins his plan of a revenge. He calls off their engagement and gets married with his ex-girlfriend Paktra instead, in order to humiliate and hurt Mookrin.