Overview:Seeing the salt gun, WOOD-CHEUK can't help recalling those days that he spent with KAM-LING as YING YIN. Back then, YING YIN insisted on getting married with KAM-LING despite YING-TIN's reminder that they should rid the world of vampires since the gods bestowed immortality on them. After their marriage, YING YIN gave KAM-LING a silver whistle and promised to show up whenever the whistle got blown. MUNG-YIU tries her best to learn how to speak, wanting to verbally express her gratitude to MUNG-NAM on graduation day. Later on, MUNG-YIU arrives at "Late My Night", and WOOD-CHEUK cooks a meal for her, during which he keeps imagining that the one in front of him is KAM-LING. LUNG-CHU recommends a lover stone to MUNG-YIU, adding that the stone will help her have a smooth-sailing relationship with her significant other if she gives it to the one she loves……