Cathy moves into Ben's vacant beach house, as Gary discovers the truth about Empire Valley to Abby's dismay.

Peter tells Sumner they are half-brothers. Val discovers Sonny is a reporter.

Laura and Sumner get married, making her a corporate partner. Abby, Gary and Karen try to fix Empire Valley.

The police search for Karen. Paige makes an announcement. Gary comforts Val.

A kidnapper imprisons Karen. Ben returns to Val, and Sumner confesses to Peter his real plans for Lotus Point.

Phil tells Karen that he wants Mac to feel what it's like not to know where his wife is. Greg decides to really clean up Empire Valley.

Abby and kids move back to the ranch to help out Gary's family image. Gary catches Abby in bed with Peter, but doesn't care.

Abby and Paige argue. Olivia learns about Abby's relationship with Peter, who befalls an unfortunate fate.

Val doesn't receive a phone call from Ben and worries he's gone. A large crack develops in the playground.

Mack and Frank get into a nasty confrontation. Olivia becomes romantically involved with Harold.

Olivia and Harold's plans to elope go awry. In Mexico, Paige and Johnny get involved in an archeological dig.

Jill exacts her revenge on Val. Paige and Michael seem doomed.

Jill reluctantly prepares to move out of Gary's home. Abby works to make Sumner's wedding a media event.

As Karen and Paula compile evidence against her company, Abby concocts a plan to protect her drilling scheme.

Paula and Mack bunk together during a storm and begin to heat things up. Paige isn't sure who she can trust her well being to: Greg or Ted?

Paige is sickened by the surprise she receives upon returning to Knots Landing; Karen realizes that rumors about Mack's behavior may be true; Val wonders whether she's found Mr. Right; Olivia and Harold clash over finances.

Sumner takes a liking to Paula; Paige puts Sumner on the back burner; Mack unnerves an Oakman executive while preparing his defense of Virginia; Michael discovers an admirer close to home.

Following the stalking fan's break-in at the Mackenzies', Karen suffers from recurring nightmares; Tom takes the hot seat in an internal-affairs investigation; Gary and Danny play a game of cat and mouse.