Jack and Jill suffer severe injuries in a sledding accident and begin their recovery journey in separate hospital wards. While Jill adapts to hospital life with her cheerful demeanor, Jack struggles with frustration over his situation. Friends and family frequently visit, offering encouragement and support to both of them. During their time in the hospital, Jack and Jill grow closer, deepening their bond and learning to rely on each other. Jill embraces her circumstances and finds a sense of purpose by helping other patients. Friends like Merry and Molly also step in to support Jill, providing assistance both in and out of the hospital. The story follows the challenges and small victories as the two protagonists take their first steps toward healing. Through their struggles, Jack and Jill mature and come to realize the importance of each other in their lives.

Chapter I. The Catastrophe
Chapter II. Two Penitents
Chapter III. Ward No. 1
Chapter IV. Ward No. 2
Chapter V. Secrets
Chapter VI. Surprises
Chapter VII. Jill's Mission
Chapter VIII. Merry and Molly
Chapter IX. The Debating Club