Things started to go wrong after they had managed to escape captivity - Jooheon had been experimented on and all of his memories were gone. Changkyun was desperately trying to bring him back while the rest of them were supposed to stay put and let their superiors handle the situation. But Wonho was horrible at staying put and eventually he lashed out at Shownu.

"Demons were once angels.     Nightmares were once daydreams."              "Is it possible.... that you can fall in love     with... a nightmare?"