Months after discovering her boyfriend's infidelity, Elva is overcome by a deep depression. On the eve of Saint John's day, the night of wishes, she shuts herself up at home to drown her sorrows and reads that her ex is going to get married that weekend. That night an ancient comet will leave a trail of shooting stars in its wake, ready to grant wishes. Although she resists at first, Elva finally succumbs to temptation and makes a wish, although she doesn't expect it to be granted: an unexpected visitor appears in her lounge.