Ron Kashin

A former hit man's anonymous life is Australia is shattered when he re-enters the drug underworld in search of a friend

Robin and her father have a car accident. Her father dies. Robin is badly injured and cannot compete in gymnastics tournaments anymore. She lives with her mother and bad step-father. Robin is accepted to the school athlethics team but is not accepted by some other girls, so she works out at a friends house. Eventually Robin and her team compete in the national scholastic meet.

Nikita is a drug-addicted juvenile delinquent who was accused of killing a police officer in cold blood during an attempted robbery of a pharmacy. She is later arrested and sentenced to death by lethal injection, upon which she was secretly drugged by the government, faking her death. Nikita is then "recruited" by a secret government organization and transformed into a highly skilled assassin who cannot be traced.