Overheard 2 is a 2011 Hong Kong crime thriller film produced by Derek Yee, written and directed by Alan Mak and Felix Chong[4] and starring Louis Koo, Lau Ching-wan and Daniel Wu.

[6] Manson Lo, the head broker of Man Sang Securities is shown giving his prediction of the Hong Kong stock market on television.

Through the viewpoint of an eavesdropper, it is revealed that Lo works for five of the richest in Hong Kong to manipulate the prices of shares in the stock market.

Inspector Jack Ho and his team discover a military grade eavesdropping device upon examining Lo's Ferrari.

Joe sets off some flares and eventually manages to injure Ho and escape via a bus for elderly living in a home for those with dementia.

They have traced the identity of the person that rented the apartment to a Kim So but found that he is apparently no longer in Hong Kong, having migrated to Canada.

Intertwined with the story from the hotel manager, Lo is shown meeting Fred of Nixon Electronics, whom he urges to approach a loan shark to borrow fifty million to avoid a hostile takeover by Americans.

When Ho asks Lo what the Landlord Club does, Law refuses to answer but instead starts trading.

Later, Fanny briefs Ho that the 3 ID cards found in the various scenes were all registered on the same day but to different people.

Lo heads to the docks to meet his wife but is instead invited on board a yacht along with the other rich men to Tony's mansion.

Later, he contacts Joe from a number indicated at the back of all the cellphones of the other rich men, after confiscating them upon realizing they were all the same brand.

Joe tells Tony he wants 50 million shares of stock 749 to be deposited in Man Seng Securities by tomorrow.

When he gets to his apartment, he is held at gunpoint by Joe, who asks about the cashing of the cheque Lo once passed to Chauncey Sze-ma.

The director explains to Ho that a tag found in Ho's car after Joe took it is supposed to contain a GPS tracker so that Alzheimer's patients can be tracked The number attached to the empty tag, G-41, is Mrs Szema's bed number.

The purchase of stock 749 continues after Joe reveals that he would upload recorded conversations of the rich men giving instructions to manipulate share prices onto a highly subscribed website.

Tony is eventually arrested based on the recording that Joe obtained through the military grade device that he has been using to bug the rich men, which was embedded in his arm.

Upon his release from prison, Lo approaches the nursing home where Mrs Sze-ma is housed at and offers to be their fund manager.