A group of friends—Amy [Susan May Pratt], James [Richard Speight Jr.], Zach [Niklaus Lange], Lauren [Ali Hillis], Dan [Eric Dane], and Dan's new girlfriend, Michelle [Cameron Richardson]—set off on a weekend cruise aboard Dan’s sleek new yacht. The ship is their floating escape, a chance to unwind, laugh, and enjoy the sun while the ocean stretches endlessly around them. Amy, who carries a deep-seated fear of the water from a childhood tragedy, isn’t thrilled about the open sea, but she tries to keep spirits light as the boat glides away from land.
As the sun rises higher, most of the group decides to take a swim. Amy and Dan stay behind with their infant daughter, Sarah, who is put down for a nap in a shaded area of the deck. Amy carefully secures her life jacket and makes it clear that she won’t remove it while onboard, a stubborn habit born from the old wound of her father drowning years ago. The moment of tension between them reveals a rift between fear and closeness: Dan speaks softly about her phobia, promising to keep her safe, but his gesture to comfort her unintentionally pushes her toward the water.
A misjudged moment follows. Dan’s tenderness turns into an abrupt lunge into the sea, and the group suddenly realizes the ladder has never been lowered. Without a way to reboard, they find the climb nearly impossible: the side of the yacht is slick, the deck is high, and their makeshift attempts at retrieval become a scramble for survival. A nearby boat, carrying a group of teenagers heading in what seems like a friendly greeting, sails past, unaware of the danger below. They try to hail them, but the teenagers mistake the gesture for a simple hello and vanish out of reach, leaving the friends alone with their predicament.
Tension escalates when a phone is found—tangled in Zach’s clothes hanging over the side of the boat. Its ring cuts through the tense silence, and for a moment the voices of birthday singers float from the device before it sinks into the water. Zach fumbles to answer, but the soaked phone dies, and Michelle offers to rescue it, only to watch the device vanish beneath the waves. The loss stings, and the group is reminded that their window of safety is shrinking.
With nothing sturdy to climb, they fashion a rope from their swimsuits and attempt to haul themselves up a railing. The plan is clumsy and dangerous; the heavier Zach tries first, grabbing the gunwale but the improvised rope snaps under the strain. They’re all exposed, half-dressed, fighting a growing sense of desperation as the ocean calmly watches from below.
Underwater, James takes a dangerous risk. He dives to the propeller area, intending to remove it and perhaps fashion a tool for escape, but the task spirals out of control. He drops the knife, retrieves it, and then, panicking, races for the surface. A collision with the boat’s hull knocks him unconscious, and he surfaces with a skull fracture that bleeds openly. The sight sobers everyone, and Zach seizes the knife to slash at the hull in a bid to climb, only to be thwarted by Dan, who intervenes and ends up in a violent struggle that leads to Zach stabbing himself in the chest.
As fear and adrenaline surge, Michelle, overwhelmed by the grim odds and fear of sharks drawn by the blood, begins to swim away. She sinks, and Dan dives after her in a desperate attempt to reach her—but she remains unseen in the depths, lost to the sea. Zach’s body finally drifts away, dead from blood loss, carried by the water while Lauren holds him for a moment longer before letting go, overwhelmed by guilt and a dawning sense of isolation.
Dan confesses a painful truth: he doesn’t actually own the yacht. The revelation hangs in the air as Lauren, clinging to life, decides she refuses to accept death by treading water. She aims to swim toward shore, seeking rescue, but her fate after that moment is left unresolved in the storm’s rain and the night’s darkness.
Night deepens, and a rainstorm breaks over the boat. James dies from his head injury, and Dan’s search for the knife is fruitless. A broken mask lens becomes a tool, wedging into a crevice near the side door to secure a handhold on the ladder. Amy climbs up by standing on Dan’s shoulders, their efforts a tense, lifelike dance of hope and fear. Her hands are bloodied as she reaches for the gunwale, pulls herself onto the deck, and then tends to her daughter Sarah, who remains on the lower deck, crying in the quiet after the chaos.
In a final act of resolve, Amy glances toward Dan as he seems to drift toward the idea of giving up, but she cannot let him go. She plunges back into the water to save him, a parallel to the moment she once tried to save her own father, a memory that fuels her courage. The pair’s survival becomes an act of mutual rescue, a quiet testament to the endurance of family bonds in the face of peril.
Dawn brings a fragile calm. A fishing boat approaches and notices the spread of the ladder and a life ring left floating in the water—clear signs that someone was recently on board. The yacht appears empty, its only audible trace the faint, persistent cry of Sarah on the lower deck. The film closes on Amy, standing on the fishing boat bathed in sunlight, her face a mask of heartbreak as she surveys the silent vessel. Dan lies unseen on the deck, covered by a towel over his lower half, his body either sleeping or dead, leaving the final image shrouded in ambiguity and the sense that the ocean keeps its secrets.
This retelling preserves the sequence of events, the emotional beats, and the fates of the characters, while rephrasing the moments with a steady, neutral tone and a deeper, more reflective cadence.