Mommy's Counterattack S01 E08 Episode 8

Five years ago, Yun and Jiang Ling separated due to infidelity and death of their child. Yun is forced to leave the country. Five years later, after becoming a top model and well-known fashion designer, she returns to get her revenge and infiltrates Jiang's house as a nanny. Rest of the story is how she gets her revenge, proves her innocence and solves the misunderstanding between husband and wife.