Diante de assassinatos transformados em jogos de palavras, uma capitã novata e um detetive correm para resolver os enigmas mortais de um assassino em série.

Just when Tien Xiao-Xiang, who is a fan of Tarot cards and author Si-Yi, sees the perfect chance to confess her love to her childhood sweetheart Li Zhu-Hao, he instead professes his love to her best friend Song Yi-Jing. But first, in order to date Song, Li must fulfil the condition set by her, that is to help three unlikely couples to date. The first couple is Stone, an aloof art professor, and Liu Zhi-Liang, a lovesick gym owner; the second couple is Ah-Yu, the school's most unpopular weirdo, and campus hunk Danny Lo; the final couple is philosophy student Ah-Shan and mob boss lady Yu. Even though Tien is heartbroken, she agrees to help Li when he turns to her for help, reluctantly helping him with mixed feelings.

Quando três jovens chegam a um hotel para ajudar na administração, incidentes assustadores acontecem e geram situações para lá de cômicas.