Marvel's Agents of S.H.I.E.L.D. Slingshot series features Elena "Yo-Yo" Rodriguez, an Inhuman with the ability to move at super-speed. As a person with powers, she must sign the Sokovia Accords. However, the restrictions of the Accords are in direct conflict with a personal mission she's desperate to fulfill, one that will test her abilities and will include tense encounters with S.H.I.E.L.D. team members.
Now that Daisy has returned to S.H.I.E.L.D., Yo-Yo wants to talk to her about a secret the two of them share. In a flashback, we start to learn about the day Yo-Yo signed the Sokovia Accords. But we also discover Yo-Yo is tracking a dangerous threat from her past.
Director Mace talks Yo-Yo through the signing of the Sokovia Accords. There are regulations to follow and severe consequences if the agreement is broken. When Yo-Yo feels that bureaucracy is getting in the way of her mission, she’s faced with a difficult choice.
Yo-Yo is eager to further her personal mission, but must first report to the lab. While Fitz-Simmons complete Yo-Yo’s Inhuman registration, she must find a way to continue her secret agenda, and hide the truth from Mack.
After Agent May confronts Yo-Yo, Yo-Yo reunites with an old acquaintance and digs up the past.
Yo-Yo finds herself held captive by Ramon and discovers he has a connection to an old foe of S.H.I.E.L.D. When some unexpected help arrives, Yo-Yo gets her chance to exact vengeance against the man who caused her family pain.
Yo-Yo continues her personal mission of vengeance and must decide if she will cross the line and take a life in her quest for revenge. In the aftermath of her covert adventure, Yo-Yo weighs her commitment to the S.H.I.E.L.D. team.