Idol I

By day, Maeng Se-na is a top lawyer — but by night, she's a secret K-pop mega fan. Do Ra-ik's world unravels when he faces a deadly crisis.

Facing dividing loyalties and backlash from all corners, Se-na questions Ra-ik as he insists on his innocence while his fandom erupts.

Ra-ik spirals into despair. Private detective Park Chung-jae investigates the case, while Se-na follows her instincts over evidence.

Ra-ik begs Se-na to keep a figure from his past away from the case — but she soon notices a connection between the two.

Unexpected feelings begin to grow as Ra-ik tends to Se-na after her injury. Meanwhile, Se-na learns crucial information about the accident.

Se-na makes a breakthrough, finding motives tied to the music industry. Ra-ik makes an unsettling discovery about Se-na.

Ra-ik distances himself from Se-na after discovering her secret. Se-na receives startling news about one of the band members.

Se-na finds new evidence — and a new suspect — that could exonerate Ra-ik completely. But their investigation soon leads to a dark truth.

In a rare moment of vulnerability, Ra-ik drops his facade and confides in Se-na as their connection grows more intense.

As Ra-ik finally confesses his feelings, Se-na's awkwardness leads to tender moments — but new and confusing information sparks chaos between the two.

A miraculous development pulls Se-na and Ra-ik closer to the truth — and the real story behind the killer's motive.

After reaching a verdict and exposing new truths, Se-na embraces her identity as a fan and lawyer, while Ra-ik tries to piece his life back together.