This dramatic spoiler from “The Bold and the Beautiful” strongly suggests that Ridge Forrester is about to face a truth so devastating it will break him emotionally. Given recent storylines, here are the most likely “heartbreaking truths” that could lead to Ridge collapsing in tears:

1. Luna’s Unhinged Actions and Attack on Steffy: This is currently the most prominent and dangerous storyline.

   • The Truth: Ridge has been suspicious of Luna and her growing obsession with Finn, and his concerns about Steffy’s safety have been increasing. The “heartbreaking truth” could be the full realization of just how unhinged Luna has become, potentially leading to her attacking Steffy.
   • Impact on Ridge: If Luna physically harms Steffy (perhaps even shooting her as some spoilers have hinted), or if Steffy is kidnapped or severely traumatized by Luna’s actions, Ridge would be utterly devastated. His children are his world, and seeing Steffy in peril, especially by someone he initially tried to give the benefit of the doubt to, would be truly heartbreaking.
   • “Truth Exposed”: This truth could be revealed through Steffy’s testimony, Finn’s confirmation, or even Ridge walking in on Luna’s heinous act.

2. Sheila Carter’s Survival and Her Role in Luna’s Behavior: While Sheila is currently believed to be dead, the world of soaps always leaves room for returns.

   • The Truth: The “heartbreaking truth” could be that Sheila is still alive (or was never truly dead, which was a ruse), and that she has somehow been influencing or manipulating Luna from the shadows, making Luna even more dangerous. Or, perhaps the truth is that Sheila orchestrated something so terrible that it indirectly led to Luna’s current path.
   • Impact on Ridge: Ridge has a deep, traumatic history with Sheila. The idea of her still being alive and causing more pain, especially to his family, would be a crushing blow. It would be a nightmare come true.

3. A Secret About Thomas or Hope: While their current focus is less on Ridge, secrets involving his children always hit him hard.

   • The Truth: Less likely given the current momentum, but a “heartbreaking truth” could relate to Thomas Forrester if he has relapsed into old manipulative patterns, or if something truly terrible happens to him. Similarly, if Hope Logan is involved in something scandalous that deeply impacts the family, Ridge could be upset. However, these are less likely to cause Ridge to “collapse in tears” compared to a direct threat or harm to Steffy.

Conclusion:

The most plausible “heartbreaking truth” that would cause Ridge to “collapse in tears” is the culmination of Luna’s obsession leading to a direct and severe threat, or actual harm, to Steffy Forrester. Ridge’s protective instincts over Steffy are legendary, and seeing her in grave danger due to Luna’s actions would absolutely shatter him. Finn’s reaction would also be extreme, leading to a dramatic showdown.