This is the 15787th most frequent Korean word.
본다면
"본다면" means "if (someone) sees" or "if (someone) watches."
In this sentence, '본다면' is used as a conditional, expressing 'if watching that movie is undertaken'.
그 영화를 본다면 재미있을 거예요.
If you watch that movie, it will be enjoyable.
Here, '본다면' illustrates a hypothetical situation, 'if seeing a star in the sky happens'.
하늘에서 별을 본다면 소원을 빌 거예요.
If I see a star in the sky, I will make a wish.
In this context, '본다면' refers to the conditional action of 'if reading the book happens'.