Jonathan marks the release of his new book but must process some alarming family news before trailing a mysterious woman on another case. George is reunited with his daughter, and Ray spends a day with his biological son.

On the run from the police, Jonathan and Ray turn to Howard for help with trying to find out who framed Jonathan for murder, while George runs interference for them in his own inimitable, marijuana-induced way.

Jonathan is thrown for a loop when another scheduled guest on "The New Dick Cavett Show" happens to be his nemesis. Meanwhile, Ray's attentiveness as a father is tested and George is floored by Emily's latest news.

George urges Jonathan to show Emily what it's like to be out with a younger man but they wind up on a stakeout with a wannabe gumshoe. George goes out on the town with Bernard while Ray is drawn to an older woman.

Jonathan and George try counselling but Jonathan thinks he might have more luck investigating a rival's business practices. George signs up for singing lessons and Ray finds himself with an embarrassment of romantic riches.

George and Ray tag along when Jonathan is hired by an old college flame and her father to guard the family's wedding jewels. Meanwhile, the bursting of Ray's romantic bubble forces him to move in with George.

Jonathan pursues new leads on his paternity case with Rose. Meanwhile, George and Ray try to make amends for their particular transgressions.

George celebrates Emily and Bernard's wedding while Ray is comforted by his son Spencer. Jonathan considers breaking up with his new girlfriend, but when he's kidnapped, an army of Super Ray fans spring into action.