Clark and Chloe pursue a plant creature that uses male humans to recreate, one which has taken Jimmy Olsen as its next human breeding ground. Meanwhile, Oliver Queen asks a reluctant Lois to be his date at a charity ball held by Lex.
In night two of the series premiere, Detective John Kennex and Dorian are dispatched to investigate a murder and high-profile missing persons case that lead them into the highly profitable world of IRCs – Intimate Robot Companions – also known as sexbots. Meanwhile, Kennex looks to reconcile a part of his troubled past.
In the season four premiere, Oliver and Felicity must return home to help the team against attacks by "ghost" assassins led by Damien Darhk (Neal McDonough).
In the season finale, a major case from the past resurfaces; Angie thinks that she and Cross should come clean.
