SHEK has a conflict with ROCKY, a police dog in an operation of arresting illegal immigrants. ROCKY, with humanity, decides to teach him a lesson.
SHEK lives with CHUNG, his uncle, a gambler who always pay his debts with the electrical appliances at home. This always gives SHEK a headache. LONG, SHEK'S neighbor, is a nurse who works with a vet, YAN. YAN is passionate to animals.
SHAN, LONG's best friend, whose wallet has been snatched and is found by SHEK. SHEK is very much interested in SHAN. WAH, who is SHAN'S boyfriend and a movie playwright, leads a hectic life. SHAN has a harmonious relationship with her family. SHEK, having difficulty to deal with people, applies to transfer to the canine division.
SHEK and CHUNG win the Mark Six Lottery but the coupon is unfortunately taken away by DONG-DONG, a dog raised by LONG.