'Tis better to give than to receive. Lois accepts a series of booby-trapped gifts. The sender: an evil genius who spent five years in prison, compliments of Lois' investigative reporting.
A "secret admirer" starts sending Lois booby-trapped gifts, something that eventually terrifies her when, along with Clark, they discover that behind all these is an ex-con named Kyle Griffin also known as "The Prankster", who Lois helped send to prison five years earlier.
Griffin is now out of jail and is seeking for revenge. Using those pranks, he can terrify Lois while at the same time, he uses them as a distraction to steal a diamond and rob banks.
Lois and Clark manage to finally spot him and with the help of Superman, they arrest him and send him back to prison.