Lake Placid: The Final Chapter

Shortly after the third film, Reba is revealed to be alive and she murders the last crocodile inside a supermarket. The scene ends that immediate threat and shows her determination to handle Black Lake dangers. It sets up her continued involvement in the region's conflicts.

Two years after the previous events, Reba teams with Dennis and Sheriff Theresa Giove to neutralize a hatchling with a tranquilizer. They approach a ten-thousand-volt fence built by the Army Corps of Engineers. The mission indicates a more organized effort to control the crocodile threat around Black Lake.

Dennis and poacher Jimmy Bickerman sneak into the lake to steal crocodile eggs, triggering a predatory assault. Ryan Loffin is alerted by the commotion, and Max, Ryan's son, is heard screaming before being dragged away by a crocodile. The egg theft escalates the danger for everyone nearby.

Theresa's daughter Chloe and her friend Elaine join the Marshfield Swim Team and board a tour bus that ends up entering Black Lake through a gate meant for Clear Lake. They spend the night inside the fenced area, sharing tense conversations about their predicament. The misadventure thrusts the students into the lake's deadly ecosystem.

Gus, the bus driver, uses the bus as a vantage point and inadvertently exposes the group to danger. After the girls leave the water, a crocodile attacks and kills him. The death underscores how quickly safety can flip to threat in Black Lake.

With police on alert, Ryan, Theresa, and Reba search for the swimmers. The swim team decides to ride the lake on jet skis to scout for danger, but Joey falls off and is attacked by hatchlings and killed. The attack heightens the sense of peril for everyone involved.

A student on the beach is dragged into the water by a crocodile, and another is slain while trying to reach the bus. The remaining students and Coach Macklin scramble for safety inside the bus. Chloe encounters Max in the woods, where he had survived by clinging to a tree.

The team finds a skeletal part of a crocodile from a carcass and continues through the woods to locate an abandoned camp and a smaller crocodile. They flee in different directions, and Brittany steps into a rope trap, her head severed by the crocodile. The brutal reminder of danger marks a turning point in their escape.

Chloe falls into a hidden hole and is trapped, fighting another crocodile. Max distracts the predator with a rock, allowing Chloe to subdue it with an unloaded gun. The two manage to pull each other to safety as the danger surrounds them.

The team locates Dennis injured near the shore. Chloe retrieves a cell phone from the crocodile's mouth and uses it to call her mother for help, a small beacon of hope amid the chaos. Max helps pull Chloe out as the chambered crocodile wakes nearby.

The survivors reach dry land only to have Dennis pulled under the bus and killed by a crocodile. The group continues to push toward safety as they lose another protector. Coach Macklin is also killed by a crocodile, further thinning their ranks.

The swimmers are captured by Jimmy and forced to board his boat. They are taken to Sadie Bickerman's abandoned cabin where Jimmy discovers a nest of eggs and begins stashing them. The desperate group braces for a confrontation that may decide their fate.

Elaine discovers a room filled with flesh and is attacked by a crocodile. Reba confronts Jimmy about his crimes, and the group reconnects with the rest of the team near the electric fence. Jimmy drags Max as a hostage toward the exit, but a crocodile breaks free from its chains and pulls away in a boat as Ryan knocks Jimmy out.

Theresa dodges a charging crocodile, which crashes into the fence and is electrocuted to death. The moment buys the survivors a window of safety, but danger remains. The electric fence provides a grim protection that has finally halted one major threat.

In the morning, Jimmy awakens and, after discovering that the eggs are crushed, taunts the last crocodile. He tosses his satchel and appears to be devoured as the crocodile latches onto his leg. An ambulance arrives to aid the survivors by the fence, and Theresa and Ryan share a kiss before the final danger reveals itself.

In the final beat, a woman jogging through the woods believes the lake is now crocodile-free but is killed by the last crocodile that still remains. The ending underscores that Black Lake continues to pose a lethal risk despite the apparent lull. The survivors are left to cope with the lingering threat.