Hana runs into a suspicious saleswoman on the street who hands her a bath gel sample, saying it'll give her what she truly needs. Intrigued by this cryptic message, Hana goes home and tries out the bath gel, only to be seized by tentacles that suddenly pop out of the water! Thankfully, her childhood friend, Wonhoo, walks in and saves her, but Hana wants to die of embarrassment. Even so, she can't help accepting more weird "self-care" products from the mysterious saleswoman. Will her questionable samples be the key to helping Hana relax and get closer to Wonhoo?