Thorne Forrester befriends a disfigured burn-scar survivor, arranges reconstructive surgery for her, and unknowingly sets off one of the show's earliest bombshell reveals: 'Deveney Dixon' is actually Angela Forrester, Eric and Stephanie's own daughter, presumed dead for years.

Amber Moore traps Ridge and Bridget together hoping to catch them on hidden camera; Ridge gives Bridget a 'goodbye kiss' thinking she's dying of hypothermia.
Amber later blackmails Ridge with the photo.

Morgan DeWitt fakes young Steffy's death in a boating accident and secretly raises her as 'Stacey,' later holding Taylor and Steffy captive together and they are eventually rescued by Ridge.

Macy's car collides with a gasoline tanker and she's presumed dead; her funeral exposes Thorne and Brooke's affair, and Stephanie collapses.

Macy is revealed to have survived, hidden by her father near Portofino, Italy; she reunites with her family back in LA.

Eric is poisoned with potassium chloride and falls into a coma, after a lot of drama, the arc resolves with a hostage standoff at the Big Bear cabin.

Katie's kidney fails as a long-term side effect of her earlier heart transplant. Flo Fulton. Storm Logan's biological daughter, turns out to be a match and donates anonymously; until her identity if finally revealed.

Thomas and Brooke's jet crashes near Fiji. Stranded on an island, Brooke eats hallucinogenic berries and convinces Thomas to eat them too in an infamous cave scene. After their rescue, Taylor unknowingly eats the same berries and collapses.

Bill Spencer is shot at his estate, and the suspect list reads like a family tree: Wyatt, Liam, Ridge, and Quinn are all in the frame before Taylor is revealed as the shooter, having fired in a rage over Bill's affair with her daughter Steffy.

Katie discovers Bill and Brooke together, setting off a chain of fallout: Brooke's pregnancy and miscarriage, Taylor publicly exposing the affair at Brooke's own birthday party, Katie firing Bill and their physical confrontation, and Bill ultimately moving in with Brooke.

At a masked graduation party, Brooke mistakes Oliver — Hope's boyfriend — for Ridge in the dark, and they sleep together unknowingly. Steffy investigates and gets Oliver's confession and uses the information to blackmail Brooke.

Thomas Forrester's obsession with Hope curdles into something unsettling when he brings home a life-sized mannequin styled to look exactly like her and hallucinates it speaking to him.

After being hit by Bill's car, Steffy develops a painkiller dependency that escalates to a knife-wielding confrontation with her own family and a formal intervention - She returns from rehab and begins a relationship with Dr. Finn.