A high school teacher whose wife is about to give birth finds himself tangled in temptation and obsession when a student falls for him.

Ji Hoo is an introverted guy who's not used to expressing his honest feelings. One day, he meets his first love from college as a student who signed up for his one-day photography class. He tries to keep his distance from her, but she keeps reminding him of the past.

Young-il is a plotter who manipulates murder-for-hire cases to look like accidents. Nobody knows those accidents are in fact perfectly plotted, planned murders. After finishing a flawlessly plotted case with no trace of evidence left behind, Young-il receives a new request. His new target is a prominent political figure who is always under the spotlight. Even with the higher risk of getting exposed, Young-il decides to take the case with his team members, Jackie, Wol-cheon, and Jeom-man. When the plot is ready after immaculate preparation and numerous rehearsals, the team finally makes its move, but some unexpected trouble threatens Young-il’s perfect plan.

Do-jin a high school senior had a 'sleep hold operation' with the demand of the mom. But he come to suffer from the side effect although he runs the successful road through that. Finally, he resort to the extremity ....