The Loyal Dog's Swap Revenge

Heiress Yvette Lane is pushed into a river by impostor Shayna Lane. Her loyal dog Rex saves her, swapping souls. Rex, in Yvette's body, exposes Shayna's plot but is driven out by biased parents. Rex works hard, pushing Yvette (in dog's body) to hone skills. With Ling Yuxiao's help, Yvette stages a comeback, takes back family business, reconciles, and gains romance.