Glenn Ennis

Oliver still hasn't figured out how to get back in Laurel's good graces, but a late night bonding session with Thea gives him the inspiration he needs. Looking into a suspicious murder case, Oliver realizes an innocent man, Peter Declan (guest star Lane Edwards), was framed by one of the targets on his list. As Arrow, he asks Laurel to help prove Declan's innocence. Meanwhile, Walter asks one of his employees, Felicity Smoak (guest star Emily Rickards), to look into a $2.6 million withdrawal that Moira made without his knowledge.

Myr'nn causes psychic disturbances at the DEO, making J'onn face the truth about his father. Together with J'onn, Supergirl must contain the chaos. Mon-El begins training Kara in fighting techniques he has learned to fight a World Killer.

Clark is unsettled when a class project has Chloe delving into his past, and Lex has problems of his own when a man he thought long dead turns up seeking vengeance.

While Wes is meeting with the president about his discovery, Drill targets a member of the president's family. Sean faces possible consequences for his collaboration with Drill, and Lena gets help from Minx as she tries to contact Drill.