Step-Siblings Movie Collection

Illegitimate princess Callista trades bridal engagements with her half-sister Elle to claim one billion gold coins and buy the world's only Dawnlight Petal to save her dying mother. In Elle's place, she marries Isvel, the feared Black Dragon of the Abyss—only for Elle and Prince Gareth to steal the petal, leaving her mother to die. Gareth finally realizes he loved the wrong woman and chases after her too late. The supposedly bloodthirsty dragon is in truth gentle and loyal, shielding her again and again. Callista never looks back, falls for him, and becomes his queen as evil gets its due.

In her past life, she donated bone marrow to her father, but died full of resentment after being tormented by his family. Reborn right before the marrow match, she gives up on seeking his love and escapes the family. As she skyrockets to fame through her incredible acting, he finally learns the truth and is consumed by regret.

Lilith, daughter of a siren, sacrificed her voice at thirteen to save her three pirate foster brothers from the sea monster Kraken, becoming mute. After five years of waiting, she is betrayed and humiliated by the brothers—now obsessed with the ship's prostitute Lucy—on her coming-of-age day. Broken-hearted, she tosses her bridal garland to Kai, the Crown Prince of Atlantis disguised as a poor sailor, and seals a blood contract with him. When she cries "I regret it," her vow breaks and her siren voice returns. Kai marries her with all his devotion, abolishes the death contract, and rewrites maritime law. During Kraken's rampage, Lilith sounds the sacred horn and sings the Siren Song to calm the deep—then ascends the throne of the sea with Kai, while her three remorseful brothers are condemned to keep the lighthouse lamp for life.

Buried alive by her stepmother, Mafia Princess Lucia returns as Viper—her killer's bodyguard—to destroy them all. Her first love and knight falls for her again, as her stepbrother joins her side.

At St. Clair Academy, Lola clashes with Cade—the school’s most feared King 4 member—on her first day. That night, she discovers the arrogant boy from the pool is now her stepbrother. A mysterious ruby necklace soon binds them together: whenever Lola thinks of Cade, he is pulled to her side. By day, they are enemies; by night, their secret encounters blur the line between anger and desire. As campus queen Chloe targets Lola with rumors and cruelty, gentle Julian becomes her only apparent ally. But when betrayal, scandal, and family pressure threaten to tear everything apart, Cade must prove that he is willing to give up more than his pride for her. Lola must decide whether to leave for a new life—or choose the love she never meant to find.

Bella enters the wealthy and powerful Blake family after her mother remarries. She initially hopes to get through high school peacefully and leave this unfamiliar new home as soon as possible. But she is forced to live under the same roof as her untouchable stepbrother, Arthur. By day, Arthur is the icy, highly sought-after heartthrob of their prestigious high school, treating Bella with cold indifference and keeping his distance. But at night, he sheds his perfect façade, revealing a possessive, dangerous, and uncontrollable side. Bella gradually discovers that Arthur is no ordinary heir to a wealthy family—he is the future king of the wolf clan. Even more shocking, her presence awakens the wolf mark within him. She is his fated mate, the one and only person destined for him.As Bella faces bullying from Rachel, the gentle advances of Noah, and the moral complications brought on by their blended family, she desperately tries to escape Arthur's control. Yet every attempt only awakens his stronger instincts to possess and protect her. Finally, at the school prom, Arthur tears away his carefully maintained disguise in front of everyone, revealing his wolf-king mark. He marks Bella as his own and declares to the entire school: “She may be my sister, but she is also my one and only fiancée.” From that moment on, the two must face opposition from their family, their school, and society itself, as they struggle to define their relationship between forbidden love and a bond written by fate.

When Alex enters his stepbrother Liam’s world of privilege and power, the only thing they share is mutual contempt. But hate is a dangerous game—and the closer they become, the more they stand to lose. Two boys, one secret, and a line neither of them can cross. Until they do.

Olivia and Finn are total opposites - she's a studious, artistic good girl, and he's a rebellious party animal straight out of rehab. But when they hook up the night before Olivia's dad marries Finn's mom, they realize they have one thing in common: their obsession with each other. Can Olivia put her feelings for her bad boy stepbrother aside?