Traces of the Hand Online
Kim Hong Sik (Shin Jae Ha) is a shy young man who returns to college after serving his mandatory military service. He discovers an app called T-Scope that helps him to see other people's secret messages.
| Series cast summary: | |||
 | Hwa-young Ryu | - | Park Min-Young 17 episodes, 2017 |
| Jae-ha Sin | - | Kim Hong-Shik 17 episodes, 2017 |