Twinkle Twinkle Lucky Stars

While on vacation in Thailand a police informant, who sent a letter containing sensitive information on an illegal drug operation to his friend, Yi-Ching, is assassinated.

The drug lord’s henchmen, to cover up their operation, attempt to eliminate Yi-Ching and double-agent Lau. Police detectives are assigned to protect Lau and Yi-Ching, enlisting their help in bringing down the drug operation.