Cruella

Estella is a creative child with a talent for fashion and a nefarious streak. Estella's mother, Catherine, decides to pull her from school to keep her record clean and move to London. On the way there, she stops at an upper-class party to ask for financial assistance. Despite being told to stay in the car, Estella sneaks into the party and unintentionally attracts the attention of the host's three ferocious Dalmatians. They chase her outside and push Catherine off a cliffside balcony to her death. Orphaned and blaming herself for Catherine's death, Estella runs away to London and befriends street urchins Jasper and Horace. Jasper decides to take her in as a "distraction", but Estella ultimately bonds with them.

Ten years later, Estella practices thievery and does grifts with Jasper and Horace, honing her fashion skills by designing their disguises, alongside their dogs, Buddy and Wink. For her birthday, Jasper and Horace get her an entry-level job at the Liberty department store. However, Estella is made a janitor and denied the chance to use her talents. When Estella drunkenly redecorates a window display, the Baroness von Hellman—a renowned but authoritarian haute couture designer—is impressed with Estella's work and offers her a coveted job at the Baroness's fashion house. Estella eagerly accepts and gains the Baroness's confidence. Although proud that her designs are put on display, she eventually notices her boss wearing a necklace that once belonged to Catherine. When the Baroness claims that an employee had previously stolen it, Estella asks Jasper and Horace to help her retrieve the necklace during the Baroness's upcoming Black and White Ball.

To conceal her identity at the Ball, Estella creates an alter-ego for herself named "Cruella" and wears one of the Baroness's old designs purchased from a vintage clothing store owner named Artie. Cruella steals the spotlight at the ball, buying Jasper and Horace enough time to break into the Baroness's high-security vault, only to realize that the Baroness is already wearing the necklace. Jasper, straying from the original plan, disguises himself as a waiter and releases rats into the party. As panic ensues, Estella manages to swipe the necklace. Noticing her necklace has been stolen, the Baroness summons her Dalmatians with a dog whistle, causing Estella to realize that the Baroness is ultimately responsible for Catherine's death. In the ensuing chaos, one of the Baroness's Dalmatians swallows the necklace.

Seeking revenge, and to retrieve the necklace, Estella orders Jasper and Horace to kidnap the Baroness's Dalmatians. Cruella upstages the Baroness by appearing at events and gatherings in extravagant fashions, gaining notoriety via Estella's childhood friend and columnist Anita Darling. Cruella's haughty and arrogant behavior increasingly discomforts Jasper, as well as the Baroness.

Estella designs the signature piece for the Baroness's spring collection show and stages a robbery in the fashion house, which pushes the Baroness to lock up all the dresses in a vault. On the night of the spring collection show, the Baroness opens the vault to find that thousands of moths have hatched from the very beads that were sewn into the signature piece that Estella made, causing everyone to panic and for the Baroness to realize that she is Cruella. The audience for the spring show all run outside, where Cruella is staging her own show in Regent's Park, wearing a faux Dalmatian-fur coat to further taunt the Baroness. When Estella arrives home, she finds Jasper and Horace tied to a chair, as she sees the Baroness holding a lighter, who plans to kill her in a fire and have Jasper and Horace arrested for her murder. The boys are hauled away to be sent to prison, and as Estella is trapped in the warehouse, she is saved by John and removed from the flames. Hours later, Estella wakes up in John's home, who then reveals to her that the heirloom necklace unlocks a box containing her birth records. She learns that the Baroness is her biological mother; at her birth, the Baroness ordered John to have the infant Estella murdered so she could focus solely on her career and keep her late husband's inheritance. John instead gave the baby to Catherine, one of the Baroness's maids, who raised Estella in secret.

Cruella breaks Jasper and Horace out of prison and reveals the truth, recruiting them, Artie, and John for her final scheme. The quintet sneaks into the Baroness's charity gala, where Estella meets her on the cliffside balcony, revealing she is the Baroness's daughter. The Baroness feigns embracing Estella before pushing her over the balcony; she then realizes that her guests have been led outside by Jasper, Horace, Artie, & John and witnessed the act. Estella survives with a hidden parachute and, with Estella legally dead, adopts her Cruella persona for good. The Baroness is arrested as Cruella shows up to taunt her. After this, The Baroness swears that one day, she will get her revenge on Cruella De Vil. Before her "death", Estella passed her inheritance to Cruella. Later on, Cruella inherits Hellman Hall, renaming it Hell Hall and moving in with the rest of the quintet.

Cruella has boxes delivered to the doorsteps of Anita and Roger, the Baroness's former lawyer, containing Dalmatian puppies named Perdita and Pongo. They both accept the puppies, and Roger begins writing a song about Cruella on his piano.