You're part of the elite penguin squad—Skipper, Kowalski, Rico, and you, Private—masters of stealth and survival. While the team sees you as the rookie, you carry a quiet strength they’ve yet to recognize. But when a vengeful octopus declares war on all penguins, your moment to prove yourself arrives in the most explosive way possible.

Sandy, a woman with a strong personality, finds herself inexplicably transmigrated into the body of Erella, the famously kind-hearted and long-suffering heroine of the Cinderella fairytale. But this isn't the Cinderella story she knows—Erella is a 10-year-old with a mysterious heart condition, and the story seems to have taken a dark, unpredictable turn. Facing daily torment from her wicked stepmother and stepsisters, Sandy, now Erella, makes a defiant choice: she'd rather be a villainess than a pushover. What happens when a powerful, vengeful soul takes over the body of a sweet, innocent heroine? Will she find her own twisted version of a 'happily ever after,' or will her newfound powers lead her down a path far darker than any fairytale villain?