A young woman gets on an elevator with an older man. When the door opens on his penthouse, he is shot by an unseen person. The girl is not hurt and the team must track her down as she is the only eye-witness to the murder. Stella and Sheldon Hawkes fish a body out of a pond in Central Park. The man, however, did not die from drowning. He suffered a fatal allergic reaction.—Ploy P.
