In the world of power, loyalty, and dangerous secrets, love was never meant to survive. Veeransh Singh Rathore - the ruthless CEO of Rathore Enterprises - built his empire with cold ambition and an untouchable reputation. Feared by rivals and respected by the business world, he believes emotions are weaknesses... until Akshara Raghuvanshi enters his life. Akshara, the elegant and determined CEO of AV Fashion Group, is everything Veeransh never expected - strong enough to challenge him, yet soft enough to become the peace hidden behind his chaos. Devansh Singh Rathore lives for speed, freedom, and chaos. Known as the wild soul of the Rathore family, he never believed in forever - until Kiara Singhania crashes into his life like a storm. She's stubborn, sharp-tongued, and impossible to ignore. Between racing tracks, courtroom dreams, and endless fights, they discover that sometimes the person who irritates you the most becomes the one you can't live without. And then there's Abheer Singh Rathore. The man whispered about in fear. The Mafia King who rules the underworld with blood and power. When circumstances force him into a marriage with Adhira Singh Shekhawat, their relationship begins with hatred, control, and betrayal. Adhira refuses to bow before him, while Abheer struggles against feelings he was never supposed to have. In a world filled with enemies, secrets, and violence, they slowly become each other's only safe place. Three love stories. Three couples tied by fate. His Heartbeat is a story of obsession, loyalty, heartbreak, family bonds, and the kind of love that survives every storm. Because in the end, no matter how powerful they were... every one of them had a heartbeat that belonged to someone else.