Seon Kyeol rejects his date that his mother set him up with for the same reason yet again - she’s just not “clean enough.” He gets distracted by his mother’s nagging and ends up losing his precious robot vacuum cleaner. O Sol happens to stumble upon the robotic vacuum and thinking it’s trash, she decides to take it home. However, Seon Kyeol manages to track her down after an encounter that turns out to be a very dirty one. (Source: Viu)