S1 • E1
Shin Cha Il becomes the new head of JU Construction's Audit Team. He reopens an investigation into a tower crane accident, suspecting corruption. At the construction site, he discovers incriminating evidence on the foreman's laptop.
S1 • E2
Cha Il investigates Senior Managing Director Seo and VP Hwang, but evidence gets tampered. He focuses on the tower crane operator's role on the accident day, uncovering anomalies.
S1 • E3
An embezzlement case concerning shared housing has Cha-il investigating a fellow alumni. Just as he is about to solve the case, Dae-woong intervenes.
S1 • E4
Cha-il vows to recover the embezzled cash on the threat of resignation and financial reparations. His team investigates the whereabouts of the cash.
S1 • E5
A diner handling construction catering is vandalized just as a letter accusing it of corruption lands on Cha-il's desk. But evidence eludes the team.
S1 • E6
Cha-il manages to catch the diner vandal. Meanwhile, a worker attempts to self-immolate at the lobby of a firm preparing an important presentation.
S1 • E7
A chat with the protesting worker leads Han-soo to believe there's a data leak in the R&D team. He means to probe deeper but is deterred by Se-woong.
S1 • E8
Cha-il exposes the leaker. But soon after, JU Construction suffer losses under unexpected circumstances. Rumors of recruitment corruption surface.
S1 • E9
A photo reignites suspicions of corruption in the recruitment process. In response, Se-woong orders an audit of the vice-president Dae-woong.
S1 • E10
The audit team catches the culprit behind recruitment corruption - whose identity surprises all. Cha-il is under duress for being too aggressive.
S1 • E11
JU Construction is in turmoil following the death of its former president. Cha-il moves to sever the root of all problems eating away at the firm.
S1 • E12
A dangerous mole is revealed. But any quick moves, and the mole may be lost forever. With care and precision, Cha-il commences his final operation.
