The super drama incident, which involved a police raid and tens of thousands of dollars being flushed down the toilet, happened in 1987 when the actors were filming TVB series Genghis Khan in China.

Recounting the incident during a guest appearance on veteran Hongkong producer Yang Shaohong and actress Elena Kong’s radio show last Saturday (Sep 26), Michael said they were not allowed to bring large amounts of cash into the country at that time and had to exchange HK$100 for 30 yuan coupons for their spending. To get around it, the actors pretended that they did not have cash and did not make a declaration at the customs.

Well, all except one very honest actor who confessed that he had brought more than HK$10,000 (S$1,800) with him.

All was well until the police suddenly raided their premises one day when the cast and crew were having a meal. According to Michael, everyone panicked and Alex scrambled to flush his money down the toilet.

“Everyone was really afraid. [We] didn’t know if we would go to jail, so we decided to flush the money down the toilet. Little did we expect to clog the toilet, so everyone had no choice but to leave immediately.”

When asked how much money they flushed away, Michael replied: “Over tens of thousands of dollars.”

Now that's what we call money down the drain.

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