The novel consists of thirty chapters including the epilogue. It is 56,000 words in length and fully complete. It was serialized in chapter installments finishing May 8th 2016.
Original Short Description: Starlight Glimmer's past and future collide in Canterlot before the 1000th Summer Sun Celebration. Starlight, a teenage runaway, tries to reform herself but her past crimes and Sunset Shimmer make that difficult. The collision will change Equestria.
Chapter 1: PTSD
Having recently fought in the Hooflyn gang wars, Starlight finds a lab in defensive spells too intense and looses her cool.
Chapter 2: Much in Common
After being tantalized by a healing spell, Starlight learns she shares similar experiences with Sunset.
Chapter 3: Work Issues
Starlight's criminal employer, Running Mead, has a job for her and Starlight doesn't like it.
Chapter 4: I Prefer Stallions
Starlight wakes up in Sunset Shimmer's bed and realizes she's been sleep walking—or sleep something.
Chapter 5: Reading Barthemule Recommended
Starlight's doctor, Sunset Shimmer's father, suggests she might have a talent for healing magic.
Chapter 6: Using What She Learned
Starlight asks Sunset Shimmer to blast her with a force spell; the result is... unexpected, and enlightening.
Chapter 7: Grimoire Ascendent
Starlight the Enforcer does her job frightening a pony who won't pay up and realizes something about cutie marks.
Chapter 8: Shimmering Issues
Starlight tries to teach Sunset quick draw, but finds Celestia's protégé doesn't think in numbers at all.
Chapter 9: Theory into Practice
Sunset's talk of visiting Tartarus gives Starlight reasons to stay in Canterlot. She also casts her first healing spell.
Chapter 10: Blind-sided
A punked-out blue pegasus delivers an order from Running Mead. Starlight doesn't like that it contains the word "eliminate" in it.
Chapter 11: I Don't Kill Ponies
Starlight fights for her life against a capable foe convinced she wants to kill him.
Chapter 12: Revelation
Trying to escape, Starlight takes desperate measures. Will it cost her her soul?
Chapter 13: Unintended Consequences
Starlight realizes the real crime she's committed and it horrifies her.
Chapter 14: The Prodigy
Dr. Flowing Waters leaves Starlight no choice but to stay in Canterlot, even though it involves the princess.
Chapter 15: Exam
Starlight finds herself taking the same exam Twilight once took. The result differs drastically.
Chapter 16: Night Hauler
Streak makes Starlight pull an interesting wagon loaded full of unaccountably perfectly legal herbs.
Chapter 17: Night Flight
Starlight goes flying—and finds something enchanting about Streak.
Chapter 18; A Pony of a Different Stripe
Streak's trading contact seems a bit alien, but proves understanding.
Chapter 19: Accounting for Wrong Decisions
Starlight finds common ground with Streak, and is assigned another "job."
Chapter 20: Fright Night
Starlight wakes about to commit murder. She has to think fast.
Chapter 21: The Curious Cure
Zecora insists only Starlight can save Rye Bald's life and gives a history lesson.
Chapter 22: House Rules
Sunset solves Starlight's rent issue. Problem is, Starlight must share her bed.
Chapter 23: Likely, Meet Inevitable
While the situation with Sunset Shimmer deteriorates, Streak delivers an ultimatum.
Chapter 24: Breakthrough Consequences
When Sunset twists Starlight's discovery about cutie marks to her advantage, Starlight finds she doesn't mind. It is a lesson in situational ethics.
Chapter 25: Backed Into a Corner
Starlight's past rears up to threaten the key to her new life.
Chapter 26: Any Plan in a Storm
Starlight is desperate to save Sunset. And she really hates too lose.
Chapter 27: Gambit
Starlight confronts Detective Fellows and proposes a deadly plan.
Chapter 28: Act Three, Scene One
Sunset hits bottom and tries to convince Starlight to get her what she needs.
Chapter 29: To Ring a Unicorn
Starlight confronts Running Mead. Cutie mark magic may prove her downfall.
Epilogue: The Third Protégé (and Tears)
Starlight visits the Starswirl the Bearded Time Wing, unwittingly taking Celestia's bait. What she learns about the princess and herself changes the fate of Equestria.