Mack travels to Mexico in a desperate effort to save Paige, Michael, and Johnny from paid killers.

When Val claims Jill tried to kill her with a drug overdose, no one believes her. Sumner re-enters politics.

Paige, Michael and Johnny are trapped in a van on their way out of Mexico. Val returns to an empty house.

Val is too scared to leave the house. Abby, Karen, and Gary are implicated in an exposé about drug activity.

Val hires a private investigator to prove her case. Pat and Frank seek Mack's help, and Paige seduces Sumner.

Val, Karen, and Gary investigate Jill's alibi. The Williamses take refuge at Gary's ranch.

Jill confesses to Gary that she slept with another man the same night Val overdosed. Abby hides information.

Sumner considers running for mayor and hires Ted Melcher to handle his return to politics. Val confronts Jill.

Sumner shocks Abby with a proposal, as Olivia announces she will marry Harold. Paige receives unexpected news.

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

As Sumner and Abby's wedding approaches, his former lover Paige tries everything to win him back.

Jill's alibi begins to come apart when her San Francisco "lover" makes an embarrassing accusation.

As the evidence mounts, Gary believes Jill tried to murder Val. Michael becomes infatuated with a classmate.

Jill wants to take a lie-detector test to prove her innocence. Ted warns Sumner of his political weaknesses.

When Sumner moves to regain custody, Karen and Mack fight back. Jill's plot to win back Gary endangers Julie.

Val and Gary worry Jill might hurt someone else. Karen and Mack agree to meet with Sumner and Abby.

Gary is arrested for the murder of Jill. Karen and Mack rejoice at Sumner's decision regarding custody of Meg.

Jill's funeral is held, as Mack's investigations reveal Val and Frank could be suspects in her murder.

As Gary faces a hearing for Jill's murder, Mack works to prove his innocence. Paige approaches Sumner.

Abby joins a conservation group working to stop an offshore drilling plan - by a company she secretly owns.

Abby's secret ownership of Murakame is endangered when Sumner requests to meet the company's chief executive.

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

Abby's intricate scheme to protect her secret ownership of Murakame Corporation begins to unravel.

Paige's investigation implicates Ted Melcher in the murder of Murakame Corporation's president.

Mack, Karen, Paula and Gary ask Abby to join their lawsuit against Murakame Corporation.