A friend of Jonathan Hart's is killed in a motor accident just after he has left a health farm, apparently committing suicide. There was no warning of him being troubled so the Harts go undercover to find out what happened at the farm.
When Jonathan buys Jennifer a gorgeous old car for her birthday, she is less than thrilled -- but two Brits seem suspiciously eager to take it off her hands.
Two chemists at one of Jonathan's subsidiaries have developed a new hallucinogen, and their supervisor is killed when he tries to report them to Jonathan.