Natasha Romanoff confronts the darker parts of her ledger when a dangerous conspiracy with ties to her past arises.
A bored married couple is surprised to learn that they are both assassins hired by competing agencies to kill each other.
Ballerina Dominika Egorova is recruited to 'Sparrow School,' a Russian intelligence service where she is forced to use her body as a weapon. Her first mission, targeting a C.I.A. agent, threatens to unravel the security of both nations.
Elektra the warrior survives a near-death experience, becomes an assassin-for-hire, and tries to protect her two latest targets, a single father and his young daughter, from a group of supernatural assassins.