Lin Nan, a top surgeon, traveled back in time ten years and became an ordinary resident. However, his childhood sweetheart broke off the engagement at the very beginning.

After traveling through time, Lin Nan transformed into the King of Rolls and rolled up everyone in the hospital to death.

You don't dare to do this surgery? Let me do it.

You don't dare to admit this patient? Let me do it.

You don't dare prescribe this medicine? Let me do it.

You're afraid to deliver this pregnant woman? Let me do it.

You can't save this terminally ill cancer patient? Let me do it.

…

By the time Lin Nan became successful, his childhood sweetheart who wanted to cancel the engagement was already regretting it.