Shaken by an abusive experience, a young woman with an intellectual disability takes up the services...

With an eye on payback, Do-gi transforms into a deep-pocketed customer to trick Kang Maria's torment...

Do-gi goes undercover as a high school substitute teacher after receiving a call for help from a stu...

The three bullies' attempts to mess with Do-gi come to a halt when they realize he possesses video f...

While Ha-na looks into allegations of employees suffering physical abuse inside a powerful tech comp...

To gain access to Park Yang-jin's inner circle, Do-gi focuses his efforts on infiltrating a key depa...

As the truth behind an exploitative incident involving An Go-eun's sister comes to light, Do-gi sets...

Do-gi finds himself in danger after Yang-jin gives him a cruel test of loyalty. Go-eun returns to lo...

Ha-na grows suspicious when she finds Do-gi's ID card at the scene of the explosion. Meanwhile, the...

Do-gi dons another disguise to lay his charms on the leader of the voice phishing operation. Ha-na k...

Certain that Jang Seong-cheol and his employees are hiding something, Ha-na storms his home. A pasto...

In mourning, Ha-na goes to Do-gi as a client in search of vengeance. While investigating, the team u...

The team is taken by surprise when Baek Yeong-mi empties the secret prison cells. Do-gi plans to use...

When Yeong-mi comes after the team, Do-gi throws himself into action to save them from her cruel clu...

It's the end of the road for Seong-cheol and the team as they agree to shut down their operation. Do...

The team pulls together for one final mission to nail the true culprit behind the death of Do-gi's m...

Despite the disbandment of Rainbow Taxi, Do-ki is still out there going after bad guys. While keepin...

Do-ki successfully infiltrates Cheongeum with the help of his old crew. He pretends to be an abducte...

An elderly woman visits Rainbow Transport as a victim. She owes a lot of money because of a young sc...

Rainbow Transport officially begins its operation to bring punishment to Sang-gi. The plan mainly de...

Do-ki runs into a stray little girl on the street. Out of concern, he takes her to Rainbow Transport...

Do-ki and Go-eun get busted by Pil-seung for putting up an act. However, Do-ki manages to win back h...

The next client is a woman named Lee Jin-hee. Her beloved sister Jin-sun is suffering from a termina...

The plan to destroy Ok Ju-man is now set. The only thing that remains is for Ju-man to take the bait...

A smelly drunk man protests alone in front of a big hospital. He claims that his daughter is in a co...

Do-ki becomes a patient himself to infiltrate the operating room. When he is put to sleep, Go-eun fi...

Do-ki makes it out alive from the car bomb explosion. He uses his death to track down the person beh...

After Do-ki gets kicked out from Black Sun and gets beaten up, the police arrive. However, the polic...

An angry VIP client at Black Sun puts the security team on edge. The security team gets a second cha...

While Do-ki wakes up from getting drugged, the bishop comes back to Korea. Now that Do-ki has eviden...

Rainbow Transport takes in another client. However this time, it is a set-up made by the Bishop and...

Do-ki goes into Jangsan Correctional as an undercover inmate. He fights all the way through every tr...