Writer Qi Lianshan (played by Ren Jialun) wants to adapt his psychological reasoning novel into a script. After seeing Liu Xia (played by AngelaBaby), who successfully guide a woman who wants to jump off a bridge with her psychological knowledge, he invites her to be a consultant . In the process of adapting the novel, Qi Lianshan gets deeply attracted by Liu Xia, and in the end, the two gained a successful career and a beautiful love story.
Tokiko Mima, nicknamed "Key," is a 17-year-old girl living in the Japanese countryside who, despite her human-like appearance, is a robot. When Key's grandfather Dr. Murao Mima passes away, he leaves her a dying message, telling her that she can become a real girl if she is able to make thirty thousand friends. Thus, Key moves from the quiet Mamio Valley to the busy streets of Tokyo, where she soon runs into her childhood friend Sakura Kuriyagawa.Key quickly becomes enamored with idol singer Miho Utsuse and wonders if becoming a singer will allow her to make the amount of friends needed for her to become human. But Miho carries a ominous secret: she is connected to Jinsaku Ajou, an old rival of Dr. Mima trying to make new a breakthrough in robotic weaponry. As Key works to become a real girl, Ajou sets a dangerous plan into action, and it turns out there's much more to Key than meets the eye.
Gi Seo is a renowned doctor at the top of his profession, but he's racked with guilt because he wasn't able to save his girlfriend, Ji Min, who was HIV-positive. He escapes to work on a small island and fulfill Ji Min's dying wish: to find a little girl named Bom who she accidentally infected with HIV while she was a medical intern. Bom lives on the island with her single mom Young Shin and grandfather, who has dementia. Gi Seo grows increasingly fond of the family and finds a reason to live again, discovering beautiful miracles on the island.
Hotshot plastic surgeons Dr. Sean McNamara and Dr. Christian Troy experience full-blown midlife crises as they confront career, family and romance problems.