The first new guardian "angelus" in 300 years is added to the Angelus System. But his inquisitive nature disrupts the system's rule-governed order.

To repair the damage he's caused, Uli breaks a third rule so he can seek help from veterinarian Sandro and good Samaritan Miriam.

Greta gives sex a try. Chun develops feelings for a woman he's protecting. Uli uses a costume party to help a couple fulfill a secret sexual desire.

Uli sees a guru promoting fallacies about angeli and decides to set her straight. A sudden turn of events makes Chun think the Chief is punishing him.

Miriam's belief in astrology comes between her and Uli. Greta visits a witch doctor. Fred interprets Uli's lack of punishment by the Chief as a sign.

When Fred accuses Uli of having made no positive impact as an angelus, Uli revists all the people he helped to see if their lives have improved.

Uli visits Miriam at her parents' home, where he makes a key discovery. Sandro tries an experimental procedure in hopes of finding a cure for Greta.