Episode 5 recap: Ma Long and his team investigate the theft case.

Ma Long and his team arrived at the museum and, under the guidance of Zeng Xiao Gong's teacher, Mr. Mu, they questioned the security guard at the crime scene. The security guard explained that he heard a sound like the wind and someone calling out, believing it was a ghost causing trouble. Ma Long clearly didn't believe it, but the surveillance footage indeed showed no one else's presence except for the security guard. They decided to enter the museum to further investigate.

Based on Mr. Mu's introduction, the stolen artifact was the "Red Gold Walking Dragon." The museum was soon going to hold a themed seminar on the "Red Gold Walking Dragon," so losing the item was a big problem. Ma Long calmly analyzed the situation. Seeing the lying Terracotta Warriors on the ground, Ma Long had Dabao go through the standard procedures while he squatted down to examine the condition of the Terracotta Warriors. According to Mr. Mu, this specific Terracotta Warrior weighed 200 kilograms and was a replica, not displayed in the showcase. Ma Long realized that the Terracotta Warriors were actually a diversion, and the target was the showcase containing the "Red Gold Walking Dragon." However, the security guard mistakenly believed that the Terracotta Warriors were the target. But how did the Terracotta Warriors move to this location?

Back at the pawnshop, the team brainstormed but couldn't figure out how the Terracotta Warriors were moved. As they were about to go for a meal, Password Dragon suddenly recalled something that happened in the valley. Ma Long suspected that the sound of the Xun flute was involved. If someone played the Xun flute, there must be eyewitnesses!