Aniah Carlotta Quapenco went home hoping to have a peaceful and relaxing vacation, but it turns out she will have a task. After finding out that her sister is pregnant after a one-night stand with someone from Heiberg University, she does not hesitate to create a plan on how she will find the man who impregnated her sister. She came to a point where she disguised herself as a man, will she be caught or not? But what will happen if, during the execution of her plan, she is distracted by someone and ends with Just a One Night Stand?