SEE ALSO: [Drama Review] 'Golden Cross' - Episode 1

The behind-the-scenes photos show Lee Si Young and Kim Kang Woo practicing their script side by side, and their charismatic eyes hint at the serious scenes to come in the intense drama. The co-stars also made sure they were comfortable enough to focus on their characters in their Crocs and sneakers when the cameras weren't rolling.

Is love in the air for these two? Stay tuned to find out on 'Golden Cross' every Wednesday and Thursday!