Aaarrgh!

This is one of my planted-early tomato plants, exhibiting shriveled leaves and green tomatoes, which, no doubt, will not be able to ripen.
Can’t find any bugs or creepy crawlies. I sure must have done SOMETHING really wrong.
I have three other plants on which I see similar problems beginning. This is the last time I try to grow tomatoes out here!! Last year it was the tomato worm. Bleh!