Jeno takes interest in Mark, who is a single father. Mark knows about Jeno very well not only because he's his son's teacher but because he's his son's favorite teacher.
Everyone has something they hide. Jaemin just happens to not know what he's hiding, but it's there and it haunts him. What happens when one day his secret starts to control him?
He doesn't know, but someone else does.
"I'll help you get through this"