After making a big life decision, Jeong-suk goes on a getaway work trip with the ladies. But upon her return, she finds herself in a perilous situation.

Traumatized by a recent event, Jeong-suk struggles to move on with her life as normal — even as Do-hyeon encourages her to take time for herself.

Jeong-suk and Do-hyeon collect clues near and far to lead him closer to finding his real mother. But soon, their feelings become complicated.