Definitely not a true story. 'Across the Line' is a work of imagination, crafted to tell an interesting tale rather than being based on real events or people.
Another possible theme could be conflict. Crossing a line often implies going against something, like a rule or a social norm, which can lead to conflict with others or within oneself. For example, if it's about crossing a line in a relationship, there would be conflict between the parties involved. It could also involve the theme of discovery. Crossing a line might lead to new discoveries, new experiences or new understandings that the person didn't have before.
The significance could be that it's likely a story that has real - life roots. It might be about a situation where someone or something crosses a certain line, whether it's a moral, ethical, or physical line. Maybe it's a story of a person who breaks boundaries in their personal growth or in a social context, and because it's based on a true story, it has the power to resonate more deeply with the audience as it reflects real - world experiences.
I'm not sure specifically which 'across the line true story' you are referring to. There could be many stories with that name. It could be about a real - life event where someone crossed a physical or metaphorical line, like a boundary in a sport, or a moral boundary in a social situation.
It could be about a whistleblower who crosses the line of loyalty to their company by revealing illegal activities. Since it's based on a true story, it might be similar to real - life cases where employees expose fraud or unethical practices to the public.