An elementary school teacher, Sun-mi is a patient with congenital absence of the vagina, which means she has no vagina and womb. Since childhood, she has been hiding her disease and living inside a bubble to protect herself from society. One day, Sun-mi goes on a blind date and believes that she has finally found her Mr. Right. Would that man be the one she can spend the rest of her life with happily ever after?

Soon-kyu, caught sight of a UFO. To find the UFO, they leave for a so-called "UFO mountain." 3 days later, they come back and insist they"ve contacted aliens the last night except Soon-kyu who #999999ed out due to overdrinking. After hearing that Ji-hyun"s missing, Soon-kyu leaves for the mountain again to answer his own question - the UFO, aliens and Ji-hyun.

A cop catches a serial killer who murdered his sister but never finds her body. The lack of closure torments him and drives his brother-in-law insane, who makes a deal with the mafia for revenge.