As the new government takes over South Vietnam following the Fall of Saigon, civil engineer Dương Tấn is fearful of imminent repression. He and his colleagues are dispatched to fix a hydroelectric plant where they meet Đỗ Long, a bubbly engineer from the North.
| Actor | Role |
|---|---|
 Quang TháiDương Tấn | Dương Tấn |
 Thế AnhĐỗ Long | Đỗ Long |
 Thu HiềnDương Tấn’s wife | Dương Tấn’s wife |
 Thẩm Thúy HằngLinh Đa | Linh Đa |
 Huy CôngĐỗ Long’s father | Đỗ Long’s father |
 Dương Ngọc ĐứcProfessor Hoàng | Professor Hoàng |
 Lý HuỳnhDirector Ka Long | Director Ka Long |
 Xuân ĐịnhĐiển | Điển |
 Vân DungDương Tấn’s daughter | Dương Tấn’s daughter |
 Mai HuỳnhFake policeman | Fake policeman |