This video tells a haunting story titled "วังน้ำกลืนคน" (The Lake that Swallows People), presented as a cautionary tale about an ominous, beautiful, but deadly lake.
The Premise:
A swimming coach takes his high school swim team to a remote, scenic lake for a final training camp before graduation (2:19-3:37). While the lake appears pristine and peaceful, it holds a dark, local reputation for "swallowing" those who swim in it, with a history of missing persons whose bodies were never recovered (12:11-12:54).
The Backstory:
The coach reveals he has been returning to this lake annually for decades (21:14-21:36). He shares a traumatic experience from when he was 18, where he and his best friend went to the lake to train. They were caught in an underwater current or suction force; the coach survived, but his friend disappeared into the lake, never to be found (16:19-20:49, 44:00-44:47).
The Tragedy:
Despite the warnings and the coach's efforts to keep the students safe, one of his students—an anxious, high-performing swimmer—separates from the group to train alone. He eventually drifts toward the dangerous, deeper area of the lake and vanishes beneath the surface (27:17-29:38).
The Reveal:
Emergency services and professional divers are called to the scene. Upon investigation, they discover a large, natural underwater cavern system (39:20-41:04).
Inside this "natural stomach," they find a horrific sight: the remains of 38 people, including the coach’s missing friend and his recently lost student, all caught in the powerful suction and trapped against the cave walls (42:08-43:11).
The story concludes by reframing the legend: the lake wasn't haunted or cursed by spirits, but rather a dangerous natural phenomenon—a literal trap in the earth—that had been quietly claiming lives for years (43:40-44:00).