Jaskier

Dylan and Lizzie are unable to identify a motive or connection when several average people blow themselves up using suicide bombs. Also, Julian, concerned that Dylan could be exposing himself to past enemies, enlists Lizzie to talk him out of hiring Ashley, a publicist.

Supergirl learns the true depth of Serena's nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Serena gets to Earth. J'onn prepares to say goodbye to his father.

Holmes and Watson's search for the killer of a woman found encased in cement takes them inside the clean technology industry. Also, Watson takes a giant leap forward regarding her interest in adoption,

Clarke and Bellamy make a startling discovery about Wonkru's battle plans as Echo risks her friendship with Raven to complete her mission.