"Thank you for raising me all this time, Mister. Now, it's my turn to show my filial piety."

Yeon-sik ends up bedridden after an accident, with casts on one arm and one leg. Caring for him is So-hee, whom he took in and raised after she was abandoned by her mother when she was young. However, the care he thought was merely devoted starts to feel a bit... excessive.

So-hee climbs onto Yeon-sik's lap while he's suffering from morning wood, not even wearing underwear, and proceeds to perform her version of 'filial piety' with her entire body...