Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.

In the piano-making town of Grand, Pennsylvania, Janice Pasetti keeps house for factory owner Harris Weldon, his newlywed niece and her husband, while raising her teenage daughter.

Leonard Hoffman is an insurance salesman struggling to make ends meet. The fact that he has triplet sons who all want to go to Yale isn't making things any easier. Blanche Rickey is also worried about money; her husband is a millionaire with a weak heart, and she worries that he'll blow through all his cash before he finally dies. When Blanche meets Leonard, she devises a murderous plan that she claims will fix both their problems.

A film editor breaks up with his girlfriend, unsure if he is in love.