Silver Bay

Set in a quiet coastal town in New South Wales, Australia, the story centers on the Silver Bay Hotel, a faded seaside establishment run by 76-year-old Kathleen Whittier Mostyn. Kathleen, locally famous as the "Shark Girl" for catching the largest grey nurse shark in New South Wales history at 17, lives with her English-born niece, Liza McCullen, and Liza's nearly 11-year-old daughter, Hannah McCullen. The household operates under unspoken rules: Liza avoids guests, stays behind closed doors, and forbids Hannah from going on the water. The bay sustains a small whale-watching community, including Greg Donohoe, a good-natured boat operator who nurses unrequited feelings for Liza, and several other crews who gather at Kathleen's outdoor tables each evening.

Into this world arrives Mike Dormer, a junior partner at Beaker Holdings, a London property-development firm. Mike has been sent by his boss, Dennis Beaker, to compile a site report and secure planning permission for a luxury waterfront resort on land the firm has hastily acquired in Silver Bay. Mike is also engaged to Dennis's daughter, Vanessa Beaker, adding personal complications to his professional mission.

Mike settles into the hotel, bonding with Hannah over his laptop and joining the crews' nightly gatherings. He persuades Liza to take him whale-watching on her boat, Ishmael, paying her $500 when she repeatedly refuses. On the water, Liza's guarded demeanor dissolves as she shows him whales and plays their song through an underwater microphone. When a party boat endangers a whale cow and calf, Liza fires distress flares at it. Greg takes the blame with the police, and Mike provides mobile-phone footage that redirects the officers' attention. The incident deepens Mike's respect for Liza and his growing unease about the development he is advancing.

Kathleen recalls how Liza and Hannah arrived five years earlier: Liza spent nine days in bed, unable to function, and six-year-old Hannah was anxious and clingy. Kathleen eventually learned what had happened but does not yet reveal the details. When a baby whale beaches on the shore, the entire community rallies through the night to save it. Despite hours of effort, the calf dies. Kathleen explains to Mike that Liza lost a child five years ago and that the deaths of sea creatures trigger her grief. The next day, overwhelmed by his feelings, Mike kisses Liza. She kisses him back, then withdraws and avoids him for days.

Vanessa arrives unexpectedly, forcing Mike to confront his double life. On a whale-watching trip, she senses she has lost part of him but insists they proceed with the wedding. Mike agrees out of guilt. Soon after, the development becomes public through a front-page newspaper story. Hannah recognizes the name Beaker Holdings from Mike's company website. Liza confronts Mike, accusing him of exploiting Hannah's trust to gather intelligence. Mike protests that he tried to include environmental safeguards, but Liza dismisses him. Kathleen allows Mike to stay, charging triple the rate, privately believing that keeping him close is their best chance of survival.

Mike and Vanessa return to London, where they identify two alternative development sites. At a crucial company meeting, Mike presents these alternatives. Dennis asks Vanessa for her opinion, and she contradicts Mike publicly, insisting the original Silver Bay plan should proceed. Her betrayal destroys Mike's authority. His career at Beaker Holdings collapses, and he moves into the spare room of his sister, Monica.

Mike quits and returns to Silver Bay, determined to fight the development. He campaigns from his hotel room, organizing petitions and contacting conservation groups. Hannah becomes his greatest ally, emailing whale and dolphin societies and appearing on local radio. Both Kathleen and Liza refuse to serve as public figureheads: Kathleen hates the attention her shark fame brings, and Liza cannot risk publicity that might expose her identity to the people she fled in England. Greg stages a dramatic stunt, displaying a tiger shark he claims to have caught in the bay and warning the public about swimming dangers, generating significant media coverage. Meanwhile, Kathleen's lifelong admirer, Nino Gaines, a local vintner, has a heart attack, and Kathleen visits him daily in the hospital, confiding her fears for Liza and Hannah.

During a severe storm, ghost nets, vast illegal fishing nets carrying dead sea creatures, drift into the bay. While Mike watches Hannah at the hotel, she slips out in a dinghy to help rescue trapped animals. Mike goes after her, finds her boat tangled in the nets, swims through the dark water to cut a trapped dolphin free, and brings Hannah safely to shore. Liza, frantic with fear, clutches her daughter on the beach.

That night, Liza comes to Mike's room, and they make love. At dawn, she tells him her full story. She was a vulnerable young mother taken in by Steven Villiers, a controlling, abusive man. She planned to drug his wine and escape to Australia with both her daughters, but her younger daughter, Letty, inadvertently revealed the plan. Steven seized Letty and drove off after consuming the drugged wine. His car crashed, and his mother told Liza by phone that Letty was dead. Believing she had caused her daughter's death, Liza fled to Australia with Hannah and has lived in hiding ever since, unable to use her passport, terrified of arrest. Hannah separately tells Mike her own memories, revealing the guilt she carries for having shared the secret with Letty. Liza resolves to turn herself in to draw attention to the whales' plight and free herself from years of hiding.

Vanessa calls Mike and offers to persuade Dennis to stop the development if Mike will return to her. Believing this is the only way to protect Liza from having to sacrifice herself, Mike agrees and tells Liza he is leaving permanently. Before he can go, Monica calls with shattering news: She has traveled to Steven Villiers's home and found Letty alive, a girl with blonde hair and a pronounced limp from the crash. Steven's mother had told Liza the child was dead, and when Liza disappeared, the family let the lie stand. Monica confronts Steven, who agrees to return the child.

Mike, Kathleen, and Hannah sail out to tell Liza, who is returning with tourists aboard Ishmael. Kathleen holds a photograph above her head and shouts the news. Liza stares in disbelief, then faints on the deck.

Honoring his promise to Vanessa, Mike drives away from Silver Bay. On the highway, the council planning officer calls: The venture capitalists have pulled their financing, spooked by newspaper reports about sharks in the bay. Mike races back and discovers that Hannah had been emailing the investors directly, attaching every article about the shark sightings. Her campaign, not Vanessa's intervention, stopped the development. Mike calls Vanessa and realizes she had known for days the deal was already dead but pretended otherwise to lure him back. He tells her he is not coming home.

The family reunites with Letty at Sydney airport. Monica arrives with the girl, who walks slowly through the arrivals gate. Liza ducks under the barrier and runs to her daughter. They collapse together on the floor, and Kathleen says the sound Liza makes echoes through the hall like the song of a humpback whale. In the epilogue, Kathleen has married Nino. Mike and Liza live together at the hotel. Nino has bought the empty development site, securing the family's future. Letty thrives alongside her sister, and the whale migration continues as before.