A man is caught at the suspect's house. Isoo investigates the link between the found item and death.

A man is caught at the suspect's house. Isoo investigates the link between the found item and death.

A bizarre body is found in an office. Isoo and Ganghyun start investigating the mysterious death.

A bizarre body is found in an office. Isoo and Ganghyun start investigating the mysterious death.

The death of an elderly is all but simple. Kang Hyun works to prove it, and Yi Soo seeks other methods.

The death of an elderly is all but simple. Kang Hyun works to prove it, and Yi Soo seeks other methods.

Yi Soo captures the prime suspect in the painter's case, and he learns something unexpected.

Yi Soo captures the prime suspect in the painter's case, and he learns something unexpected.

A famous painter has been murdered in an art gallery. Meanwhile, Yi Soo visits his childhood home.

A famous painter has been murdered in an art gallery. Meanwhile, Yi Soo visits his childhood home.

The team finds the key suspect in the model murder case. However, other suspects come to light.

The team finds the key suspect in the model murder case. However, other suspects come to light.

A model is found dead on a yacht. Isoo gets his first murder case and investigates with Ganghyun.

A model is found dead on a yacht. Isoo gets his first murder case and investigates with Ganghyun.

Jin Isoo, the naïve heir of Hansu Group, gets into a fight with a stranger and Ganghyun arrests him.

Jin Isoo, the naïve heir of Hansu Group, gets into a fight with a stranger and Ganghyun arrests him.