Saga means "a long, dramatic story about a family or group of people, typically involving conflict and adventure." Narrative means "a story or account of events."

The other options are not as appropriate synonyms for saga.

• Abuse means "cruel or violent treatment of a person or animal."
• Film is a medium for recording and displaying moving images.
• Sport is an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment.