Okay, this sounds like a truly shocking development in “The Bold and the Beautiful”! While I can’t confirm this exact storyline as currently airing (my knowledge base is from when I was last updated), I can certainly craft a dramatic scene based on your prompt.

Here’s a “Hot Shocking Update” that combines Luna’s murderous intent, Bill’s discovery, and her desperate, manipulative bribe:

HOT SHOCKING UPDATE! Luna Bribes Bill With Liam’s Brain Tumor Secret When He Discovers Her Murder Plan!

The air in Bill Spencer’s executive suite crackled with menace. Bill, usually the one holding all the cards, felt a chill creep up his spine as he stared at Luna Nozawa. He’d followed her, his instincts screaming danger, and what he’d just witnessed confirmed his darkest suspicions: Luna, with a chillingly calm demeanor, was meticulously planning Steffy Forrester Finnegan’s demise. A loaded firearm, a detailed map of the cliff house, and an unsettlingly cold glint in Luna’s eye were all the proof he needed.

“What in God’s name do you think you’re doing, Luna?!” Bill roared, his voice low and dangerous, betraying the shock that rippled through him. He lunged, snatching the firearm from her grasp, his eyes blazing with fury. “Are you insane?! You were planning to murder Steffy?!”

Luna didn’t flinch. Her composure was unnerving, a mask of calculated indifference. “Don’t be so dramatic, Bill,” she purred, a predatory smile playing on her lips. “I was simply… making arrangements.”

“Arrangements?! For murder?!” Bill retorted, gripping the gun tighter. “You’re going back to jail, Luna, and this time, there won’t be any pardons, no loopholes! You’ll rot for what you’ve done and what you were about to do!”

He reached for his phone, his finger hovering over the speed dial for the police. Luna watched him, her eyes narrowing, but still, there was no panic, only a chilling calculation.

“You won’t make that call, Bill,” Luna stated, her voice dropping to a whisper that somehow cut through his rage.

Bill scoffed. “Oh, I think I will. You’ve gone too far, Luna. You’re a danger to everyone, especially my family!”

“Even if it means the end of your beloved son, Liam?” Luna countered, her words like a venomous dart.

Bill froze. His hand dropped from the phone. “What are you talking about?” he demanded, a sudden, cold dread gripping him. “What about Liam?”

Luna’s smile widened, devoid of warmth. “Oh, Bill. You’re so focused on the women in his life, you’ve missed the biggest threat of all. Liam… he’s dying. He has an inoperable brain tumor.”

Bill stared at her, stunned. The color drained from his face. “That’s a lie,” he rasped, but his voice lacked conviction. He remembered Liam’s recent odd behavior, the headaches, the unexplained collapses. He’d dismissed them as stress, as emotional turmoil, but now…

“Is it?” Luna tilted her head, her gaze piercing. “I have the medical reports, Bill. Finn was forced to tell me, and I’ve kept his secret. No one else knows. Not Hope, not Steffy, not even you. Liam’s been hiding it, trying to protect them.”

Bill’s mind reeled. Liam, his sensitive, often indecisive son, facing such a horrific diagnosis? And keeping it to himself? The thought was unbearable.

“You keep this quiet, Bill,” Luna continued, her voice gaining power. “And I’ll keep your son’s secret. You turn me in, and the world finds out Liam is on borrowed time. Think of the devastation. Think of Hope and Steffy, shattered. Think of those little girls, losing their father. Think of Liam, forced to face his mortality with the whole world watching.”

She paused, letting her words sink in. “You want to protect Liam? You want to spare him that agony? Then you help me. You help me disappear. And this… this little plan of mine… it never happened.”

Bill looked from the gun in his hand to Luna’s unwavering gaze, then back to the firearm. The weight of the weapon felt insignificant compared to the crushing weight of the secret she held. His son, his complicated, often frustrating, but fiercely loved son, was dying. And Luna, the woman he had just been about to expose as a murderer, held the key to his peace, or his public torment.

The silence returned, thicker and more suffocating than before. Bill was caught in a horrifying bind, a devil’s bargain laid bare. Luna had him, and she knew it. The shocking truth of Liam’s condition was a weapon more potent than any gun, and Luna had just fired it directly into Bill Spencer’s heart. What would Dollar Bill do to protect his son now? The answer, it seemed, would come at a terrifying price.