Hae-young is a hopeless girl. She lives with her father who runs a Chinese restaurant, and a younger sibling. One day, her father has a mysterious accident, which places her in a position of responsibility. She is now not only the head of the house and must look after her younger sibling, but also an investigator tasked with finding the truth about the accident, and a fighter standing against the ugly world.
One night, a young sailor disappears. The old captain reports that the sailor fell into the sea, causing an uproar in the village. The sailor’s mother waits by the dock every day for her son to return. It soon comes to light that the sailor’s Vietnamese wife will receive an insurance payout.
Hee-yeon, a dedicated high-school teacher, seems to be going well with her life. But soon she faces personal challenges with infertility and home construction issues. To make matters worse, her student, Yu-mi, becomes pregnant. Under her colleague’s pressure, she reluctantly advises her to quit school thinking it’s best. However, her own unexpected pregnancy overturns the whole situation. Hee-yeon starts to open up to Yu-mi and go through something she had never felt before.
