Michael Ambrose, a diabetic, tries to end his life to get even with his father. Michael resents his father, best-selling novelist John Ambrose, blaming him for the unhappiness his mother suffered before her death, and taunts him by threatening to give up taking her insulin shots. When John Ambrose goes back East for a television appearance, Michael carries out his threat.

A warm, outgoing young school teacher is told by Dr. Welby that she only has a few months to live. She goes into seclusion. Dr. Kiley, who has become strongly attached to her, attempts to bring her back into the current of life.

Ernest Jackson--up for promotion to police lieutenant--fells that disclosure of his physical problem would ruin his chance for advancement. Welby, learning of Jackson's occupation, says he cannot allow the truth to be hidden since his condition may lead to the officer's inability to carry out his duty at a crucial moment.

When the patrician Senora Carlotta, mother of Dr. Welby's nurse Consuelo Lopez, is told by the doctor that her life-or-death decision will also involve others, she decides immediately what course she must take. Her philosophy affects Mrs. Faris, the cynical women whose room she shares and who rejects the present while dreading the future.

Pacho McGuerney's parents, refuse to allow Dr. Welby to tell their teen-aged son that he has leukemia.

Dr. Steven Kiley befriends a former employee, now a reformed drug addict, and in doing so places himself and Dr. Welby in an awkward and almost untenable position. Dr. Kiley does his best to help Warren Chamber -- his onetime benefactor -- find suitable employment, but his record as a former addict precludes any success. Finally, when a job as a bus driver with a private school becomes available, and Kiley is called on to give his friend a physical examination for the institution, he is forced to choose between his duty as a doctor and his obligation to a friend.

A basketball player, told by Dr. Welby that he must have knee surgery, goes to a faith healer instead.

A young girl who has undergone successful heart surgery continues to have severe heart seizures.

In her recurring role as Myra Sherwood, Ann Baxter, with whom Dr. Welby is in love, takes a pregnant, unmarried ""flower child,"" Tracy Clifford, into her home. Dr. Welby, who is treating Tracy for mononucleosis, warns Myra against deep emotional involvement with the girl. Myra, however, whose own daughter would have been Tracy's age had she lived, makes plans to maintain Tracy has her own child--when it is born--indefinitely.

Dr. Welby tells a pregnant young wife, Mary Ann Graham, that because of her RH-negative factor, her husband will have to be told about a previous pregnancy and abortion. Dr. Welby explains that her baby will have to be transfused at birth and insists that her husband be told. Mrs. Graham fears that if he learns of her previous indiscretion, he will leave her

An orphanage counselor, addicted to pills, causes an automobil accident in which one of her charges is injured.

Rick Ballinger is an aging war hero determined to sail alone to the South Pacific. Dr. Welby discovers that Ballinger has pernicious anemia, and warn the captain that such a voyage would prove fatal. Ballinger, however, goes ahead with his plan, since it is essential to him to maintain an heroic facade to impress his son and his young wife.

When an operation restores Paul Hannan's sight, his love cools for his blind fiancee, Laura Jelliffe. Laura, employed at the Center for the Blind, seeks to forestall the ordeal of the engagement being called off by asking for a transfer to another city

Claire Burwick, 42 becomes pregnant for the first time and is convinced her husband Paul does not want a child. Claire's anxiety increase when she learns that her husband has been seeing younger women, and she sets out to lose the baby

Welby treats a black leader's college-student son, injured by police during a demonstration.

Dinty Gallagher refuses to give up his regimen of diet pills and steam baths, even after having fainting spells. Gallagher's desperate attempts to make the weight for the most important race of his life result in physical collapse and he is hospitalized. There he overhears Doctors Welby and Kiley tell his manager that tests indicate he is still growing, at 21, and that it will be impossible for him to continue his career as a jockey.

Dr. Welby tries to help a very young doctor fighting to keep a clinic operating in a poor neighborhood.

Joseph Campanella guest-stars as scientist Leo Maslow, who is convinced that he has an hereditary disease, Huntington's Chorea, which begins with complete loss of memory and inability to function. Welby and Kiley conduct tests, but are not convinced that Maslow has the disease. However, his condition continues to deteriorate, especially after he learns his wife is pregnant.

The Other Side of the Chart Dr. Steven Kiley, embarrassingly hospitalized for Chicken Pox, becomes interested in ""Dutch"" Radtke, a husky oil field worker who panics at the prospect of surgery. Radtke's physician plans exploratory surgery to determine if he has cancer of the bladder. Dr. Kiley, who has been checking up on tropical diseases, advocates alternative testing. However, he is unable to reach Radke's physician, and Radtke, the night before the surgery is scheduled, escapes form the hospital.

An oceonograohy student with the bends disregards Dr. Welby's advice and insists on one more dive.

Dr. Welby's friend, Father Hugh Riorden, suffers severe asthmatic attacks because he feels inadequate in dealing with the personal problems of his parishioners. The priest's feelings reach a climax when he is unable to restore the will to live in a young man injured in an accident, but Dr. Welby's able to do so. Father Hugh announces to Dr. Welby that he is going to quit the priesthood.

A hemophiliac teenager risks his life to rescue a companion who has fallen down a ravine.

While giving speech therapy to Nadine, a motion picture star who suffers a stroke, Dr. Welby learns that her husband, Lucas, has set up a television documentary in which Nadine is to show that people do recover full and quickly from strokes. In addition, the documentary lets the public know that she will soon be returning to motion pictures. Lucas does not heed Dr. Welby's warning that the strain of the show may prove extremely dangerous.

Nick Eugenides is an aging but lusty Greek American fisherman who refuses to change his life style when Dr. Welby informs him he has emphysema. Eugenedes insists on entering an annual deep diving competition, an event he has won for many years.

Dr. Welby finds that even a school that does brilliant work with retarded children will not accept 6-year old Paulie Stewart, since there is no basis for communication and response. his efforts to achieve a breakthrough result in hostile actions by Paulie, and a growing estrangement between the boy's parents, Janice and Bob Stewart.