Plot for SECOND Idea!

Raindrop falls onto Fern...................Camera follows drop

Fern releases spores...................Camera follows 1 spore

A further fern releases another spore..............Camera follows both spores

Both spores fall to the ground next to each other................Camera still on both spores

Both spores grow into mature gametophytes..........Camera pans up as gametophytes grow

Rain drop falls onto male gametophyte carrying sperm.........Camera zooms in on raindrop (with sperm inside the raindrop)

Rain drop (with sperm) falls onto female gametophyte fertilising the egg...........Camera follows raindrop