A former special forces soldier delivers revenge for victims of injustice while working for a secret organization that fronts as a taxi company.
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The peak run. Top 40% of seasons by average rating — consecutive, with an average of 8.96.
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Lee Je-hoon
Kim Do-ki
Kim Eui-sung
Jang Sung-cheol
Pyo Ye-jin
Ahn Go-eun
Jang Hyuk-jin
Choi Kyung-goo
Bae Yu-ram
Park Jin-eon
Seol Ji-won
Episode In-mul Y
All 48 episodes plotted by IMDb rating
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16 episodes • 2021Avg: 8.3
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Do You Want to Take Revenge? | Apr 9, 2021 | 7.9 |
| 2 | Do-gi Meets Ju-chan | Apr 10, 2021 | 8.2 |
| 3 | A Victim of a School Violence | Apr 16, 2021 | 8.2 |
| 4 | Teacher vs Students | Apr 17, 2021 | 8.6 |
| 5 | The Evil Businessman | Apr 23, 2021 | 8.0 |
| 6 | Into the Strategic Planning Team | Apr 24, 2021 | 8.1 |
| 7 | An Untimely Goodbye | Apr 30, 2021 | 8.2 |
| 8 | The Vacation Home | May 1, 2021 | 8.3 |
| 9 | The Voice Phishing Scam | May 7, 2021 | 7.9 |
| 10 | Mr. Wang and Madam Lim | May 8, 2021 | 8.5 |
| 11 | Tracking Down the Missing Murder Victim | May 14, 2021 | 8.2 |
| 12 | A Colleague's Funeral | May 15, 2021 | 8.5 |
| 13 | A Prisoner Exchange | May 21, 2021 | 8.2 |
| 14 | The Rainbow Transport Team In Danger | May 22, 2021 | 8.3 |
| 15 | Rainbow Transport Decide to Disband | May 28, 2021 | 8.7 |
| 16 | One Year Later | May 29, 2021 | 8.6 |
16 episodes • 2023Avg: 8.3
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Missing Son | Feb 17, 2023 | 8.3 |
| 2 | Back in Business | Feb 18, 2023 | 8.7 |
| 3 | The Trot Singer | Feb 24, 2023 | 8.1 |
| 4 | Sang-gi’s Prison | Feb 25, 2023 | 8.5 |
| 5 | Feel Consulting | Mar 3, 2023 | 8.1 |
| 6 | The Evil Uncle | Mar 11, 2023 | 8.4 |
| 7 | The SunBaek Cult | Mar 17, 2023 | 7.7 |
| 8 | Beating a Cult with a Cult | Mar 18, 2023 | 8.0 |
| 9 | The Surgery Malpractice | Mar 24, 2023 | 8.0 |
| 10 | Jeil Chakhan Factory | Mar 25, 2023 | 8.6 |
| 11 | The Late Kim Do-gi | Mar 31, 2023 | 8.1 |
| 12 | The Playground of Evil | Apr 1, 2023 | 8.4 |
| 13 | Do-gi Crashes the Party | Apr 7, 2023 | 8.4 |
| 14 | Ha-joon's Defeat | Apr 8, 2023 | 8.4 |
| 15 | Ha-joon Versus Do-gi | Apr 14, 2023 | 8.7 |
| 16 | The Final Client | Apr 15, 2023 | 8.8 |
16 episodes • 2025Avg: 9.0Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | A Call From Japan | Nov 21, 2025 | 8.7 |
| 2 | A Man Who Trusts No One | Nov 22, 2025 | 9.0 |
| 3 | The Faulty Taxi Driver | Nov 28, 2025 | 8.7 |
| 4 | Reap What You Sow | Nov 29, 2025 | 9.0 |
| 5 | An Old Friend | Dec 5, 2025 | 8.8 |
| 6 | Fragments of Memory | Dec 6, 2025 | 8.9 |
| 7 | The Final Blow | Dec 12, 2025 | 9.0 |
| 8 | The Final Boss | Dec 13, 2025 | 9.1 |
| 9 | The Trap | Dec 19, 2025 | 9.0 |
| 10 | The Dirty Truth | Dec 20, 2025 | 9.2 |
| 11 | Scam or Be Scammed | Dec 26, 2025 | 9.1 |
| 12 | The Suspicious Island | Dec 27, 2025 | 9.1 |
| 13 | Knowing Your Enemy | Jan 2, 2026 | 9.0 |
| 14 | Undermining Their Foundation | Jan 3, 2026 | 9.0 |
| 15 | A Bird’s Nest | Jan 9, 2026 | 8.9 |
| 16 | The Last Operation | Jan 10, 2026 | 8.8 |
