A gifted neurosurgeon treats people as he travels through time.

A gifted neurosurgeon treats people as he travels through time.

A gifted neurosurgeon treats people as he travels through time.

A gifted neurosurgeon treats people as he travels through time.

A gifted neurosurgeon treats people as he travels through time.

Hyuk sees Courtesan Kehyang suffering from syphilis and is shocked. But he hesitates about developing a cure for it, afraid that he might cause a change in the entire history of the world. Meanwhile, Haeung desperately looks for the one who made Kehyang ill and learns the hidden truths.