It did seem that splitting the grid in two halves and the split of the characters it 'represents an early scene in a work of fiction' with the observer on one side etc.
Drxx is right that the bend was key to the resolution.
It will be interesting to see if any light is shed by the official solution in 2 weeks time.
I see I missed the relevance of the clue title for puzzle 1648. SNIP an ING indeed!!