Episode 1
A boy is injured in his attempt to tell Nero about an abduction he's witnessed, to which the only clue is a pair of golden spider earrings worn by the victim.
Episode 2
Nero becomes involved when Archie's college football teammate Barney is found dead on his doorstep.
Episode 3
Nero must narrow down the suspects when a beautiful girl is killed after being hired by a mobster to act as a decoy for his daughter.
Episode 4
Nero leaves his brownstone when called to identify Archie's body at the morgue, only to find that it was an impostor and Archie is accused of his murder.
Episode 5
Nero locates a young man who has been missing for nine years, only to find that he is on trial for murder.
Episode 6
Nero and Archie's lives are in danger because someone does not want them to locate the missing CEO of a large shipping firm.
Episode 7
Nero is hired by a wealthy socialite to learn the source of the large sums of money her playboy husband has been throwing around.
Episode 8
Nero and Archie use a computer to figure out the connection among three murders, an apparent suicide, and a missing manuscript.
Episode 9
Nero suspects it was no accident when the dead body of a woman who specialized in an underwater striptease is found floating in the East River.
Episode 10
A brilliant criminal with a grudge booby-traps Nero's apartment.
Episode 11
The daughter of a wealthy sportsman urges Nero to investigate her father's death.
Episode 12
A former prosecutor's wife and then his secretary are killed in apparent attempts on his life.
Episode 13
A hood kidnaps one of Nero's priceless orchids in order to force Nero to prove his innocence in a murder.
Episode 14
Two paid killers track Nero and Archie.