The Lockmaster

A tragic accident unfolds as a longboat plunges over the Great Falls, leading to the drowning of five passengers. The Lockmaster, tasked with ensuring safe river navigation, faces scrutiny when his son suspects foul play rather than an accident. Driven by the need for answers, the son, a hydraulic engineer knowledgeable about river dynamics, embarks on a quest to uncover the truth behind the disaster and locate his missing father, raising questions about responsibility and the nature of the tragedy.