100 Days of Deception: Story, Cast and Series Facts

Story and premise

Set in Gyeongseong during the Japanese colonial period, the drama follows Ga Gyeong, the city's most talented pickpocket, who strikes a dangerous deal with the independence army and goes undercover at the Japanese Government-General of Joseon. Disguised as an employee, she is tasked with acting as a "fake spy" for just 100 days, but her mission slowly turns her into a real informant caught between survival, loyalty, and conviction.

Series details

• Title: 100 Days of Deception
• Format: Scripted
• Language: Korean
• Genres: Action, Romance, Thriller
• Premiere date: 2026-10-10
• Status in TVmaze: In Development
• Network listed by TVmaze: tvN
• Network country: Korea, Republic of
• TVMaze ID: 90249
• TVDB ID: 466304

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-10-10; final listed air date 2026-11-29; episode order: 16.

Source and licence

Adapted from 100 Days of Deception on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.