While never-ending rain and a strange disease spread by cockroaches ravage Taiwan, a plumber makes a hole between two apartments and the inhabitants of each form a unique connection, enacted in musical numbers.

A Taiwanese real estate agent (Kuei-Mei Yang), a salesman (Lee Kang-sheng) and a sidewalk vendor (Chen Chao-jung) cross paths in an urban apartment.

A senior chef lives with his three grown daughters; the middle one finds her future plans affected by unexpected events and the life changes of the other household members.

Two young men growing up in Taitung like the same girl. In an act of jealous, they injure each other with fireworks when participating in the Bombing Master Han Dan festival. Unfortunately, this accidentally causes the girl to die as well.