When a comic book-based movie shoots in Smallville, Clark must save the lead actress from a runaway car; Lex discovers Lionel at the cabin.
Robin struggles with the revelation that the alternate world with a defeated Evil Queen was better for everyone; Emma makes a discovery that gives her the power to alter her fate.
The team investigate a man's mysterious death and are led to a culprit of the invisible variety. Meanwhile, Olivia starts suffering from a spate of migraines.