Teens Molly and Charlie connect through email when their complicated families exchange houses for the summer, but a misunderstanding threatens the emerging relationship just when the two are about to secretly meet.

After a major earthquake devastates Los Angeles, seventeen-year-old Mia wants only to take care of her younger brother and traumatized mother, but two fanatical doomsday cults vie for her powers, drawn from the multiple lightning strikes she has experienced.

Having faced great danger, twelve-year-old Manuel finally succeeds in hopping a train out of Mexico but after reuniting with his brother in Los Angeles, he realizes something is not right.