Haunted by the gift of seeing ghosts, Cheon Yeo-ri keeps others at a distance — except prosecutor Ma Gang-uk, whom she can't seem to stop bumping into.

Gang-uk meets Yeo-ri at yet another crime scene, increasing his suspicions. Kang Min-hwan invites Yeo-ri to his hotel, but strange things occur at night.

A troubled, tipsy Yeo-ri finds solace in Gang-uk and his coworkers. But the liquid courage causes her to let her guard down — and take her gloves off.

After experiencing Yeo-ri's ghost-seeing abilities firsthand, Gang-uk begins to understand her burden. Yeo-ri coaches Gang-uk on handling ghosts.

Determined to keep Gang-uk safe from any more deadly trouble, Yeo-ri tells him not to keep in touch — but a new case brings them back together.

Gang-uk and Yeo-ri grow closer. But Cheon Ha-ri's schemes and a health scare threaten Yeo-ri's position — forcing her to come up with an unlikely plan.

Yeo-ri and Gang-uk's sudden engagement shocks everyone. To allay suspicions, they go on a series of sweet dates — sparking mixed emotions in Min-hwan.

Yeo-ri's grandma suggests moving up the wedding, giving Gang-uk the perfect chance to confess. Min-hwan makes a last-ditch effort to win Yeo-ri over.

Gang-uk and Yeo-ri throw a successful engagement party — but the happy couple are forced apart when Yeo-ri's position at work is suddenly threatened.

Gang-uk surprises Yeo-ri on her trip, lifting her spirits. Meanwhile, Gang-uk's grandma changes her mind about their marriage. Min-hwan starts plotting.

Yeo-ri and Ma Gang-uk dealing with their breakup, while a 12-year-old yacht incident reemerges and Yeo-ri unexpectedly becomes a murder suspect.

Yeo-ri faces life-threatening injuries after a sacrificial accident, while a guilt-ridden Gang-uk collapses due to a heart condition