Exactly what the title says or really short version explanation of what it means.
(Andrew Garfield) Peter Parker has just returned from another universe that was him but.. now he's on a quest to become a better spider man since he used to kill criminals or bad guy's after Gwen's death when he runs into an old roommate, that's when he's conflicted as both spider man and himself. Unsure of what to do he just reconnects only to find out his old roommate "adopted" two kids well one is a clone and the other is a uh..well the original.
Okay anyway there we go lol the explanation.