Su-yeon is furious with Seon-ho's unpredictability. Hwa-jin's live confession creates a huge turmoil. Min-cheol faces yet another secret of Su-yeon's.

CEO Yang is desperate to hide the truth behind the fire. At his behest, Su-yeon keeps quiet, inadvertently implicating Min-cheol in the process.

The truth behind the fire is slowly revealed. The more she tries to cover up her tracks, the more Su-yeon is boxed in. The last puzzle piece appears.