 Just as Professor Jin Kyung-won was about to be murdered, Joon-jae arrives, and Ma Dae-young is seized by the police.Shim Cheong is discharged afterwards, but does not recover completely as she was shot at her heart.After noticing Cheong's discomfort several times in the absence of a complete recovery, Joon-jae decides to let go of Cheong so she can go back into the ocean to regain her health.