A mysterious British woman named Erin Carter assumes a new identity as a substitute teacher and mother in Barcelona. Her carefully constructed life unravels when a grocery store robbery forces her to reveal a glimpse of her hidden combat skills. This unexpected event attracts the attention of both the police and dangerous figures from her past, forcing her to confront the secrets she's been desperately trying to keep buried.

The series has been met with generally positive reviews, praised for its intriguing premise, suspenseful storytelling, and strong lead performance. Critics have noted its ability to blend mystery with action elements effectively, creating a compelling watch for fans of thrillers.

• Praised for its suspenseful plot and engaging mystery.
• Evín Ahmad's performance as Erin Carter is a highlight.
• The show successfully balances intrigue with action sequences.

Google audience: Audience reception details are not widely available.

The series was filmed on location in Barcelona, Spain, which plays a significant role in the show's atmosphere and visual style.