Jane's team investigates the murder of a hotshot investment banker, found tortured before being bolted inside his hidden "safe room."
At the memorial service, Jane flirts with the widow and gets her to reveal the victim was a man of many secrets. Through further investigation, the team learns he was living a dual life - with his suburban wife and a young mistress, and was also skimming millions from clients and hoarding it away in a secret place.
The team suspects the killer is after the money, and their suspicions are confirmed when the victim's daughter is kidnapped in exchange for the hidden money.
Jane suspects the wife and mistress so he sets up a mental conundrum, testing their interest in finding the money or child. In the end, the greedy killer shows her true colors.