Plot
Su-jin is unusually forgetful. She often forgets what she just bought and even leaves her wallet at convenience stores. On this day, as usual, she has left her drink and her wallet at a store. When she returns to claim them, she chances upon a man. In his hand he holds a drink, and the counter where she left her drink is empty. Scruffy and shabbily dressed, the man looks like a homeless beggar. Thinking that he has stolen her drink, she snatches the drink from his hand and gulps it down. On top of that, she burps when she is finished! She returns the empty can to him and heads towards the bus stop. However, as soon as she gets on the bus, she realizes that she still has forgotten her wallet at the store. She returns to the store, where the cashier hands over her wallet and her drink, still unopened. She now realizes that she has made a mistake. She searches for the man from the store, but to no avail. It is only later that the man from the store, Cheol-su, coincidentally comes to Su-jin's office to do some work! He doesn't seem to remember her, at first, but all of a sudden, he snatches a drink from her hand and gulps it down with a loud burp aimed at Su-jin! Their fates cross again when Cheol-su comes to Su-jin's aid when she gets her bag stolen on her way home from work. On that evening, they go together to a bar and, sitting next to each other, drinks in front of them, vow to each other, "If we drink this, we will go on a date; if we don't, we will never see each othe
