The Enterprise - D answered the distress signal sent by Dr. Nikolai Rozhenko who fell in love with a native woman while disguised as a cultural observer and broke the Prime Directive to save her village .
Dr. Nikolai Rozhenko is worf 's foster brother .
The Enterprise - D answered the distress signal sent by Dr. Nikolai Rozhenko , Worf 's foster brother , who fell in love with a native woman while disguised as a cultural observer and broke the Prime Directive to save her village .