Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get the vaccine from Lex.
Josh learns that Aidan made a sacrifice to protect him and Nora. Sally discovers Nick and Stevie's fates, and Aidan's date with Kat causes him to remember his wife and son.
NCIS gets information about the location of a stolen item that could be used to make a bomb.
Josh and Nora face Liam for the final time, Sally deals with the consequences of her showdown with Donna, and Aidan must deal with Kenny now that he’s turned into an abomination.
Damien consults John Lyons, an old friend, about Rutledge’s intentions, while Simone turns to the Church for answers. Shay comes face to face with an unexpected visitor. After a mysterious death, Rutledge gains Damien’s trust.
