When the ultimate betrayal comes to surface, 8 friends will become enemies and only 1 will be left standing.

8 friends will become enemies with the betrayer or each other? It's just mush.

"Ultimate betrayal " is vague.? What does that mean?

And the logline also contains a spoiler; it gives away the ending (only 1 will survive). That is something a logline should never do.

"Ultimate betrayal " is vague.? What does that mean?

And the logline also contains a spoiler; it gives away the ending (only 1 will survive). That is something a logline should never do.