Yoon Jae ends up in a car accident with one of Da Ran's students.

Gyung Joon struggles with being stuck in Yoon Jae's body.

Gyung Joon's girlfriend arrives; Se Young's feelings for Yoon Jae make Gyung Joon feel awkward.

Da Ran plans to buy a new apartment.

Da Ran realizes that Yoon Jae cheated on her.

Ma Ri becomes increasingly suspicious of the body switch.