The trainees participate in a large-scale project to produce artists who will debut in Japan and go on to perform on the world stage. They share a common destiny: a mission to grow so that they can make their debut. In order to achieve this growth, the trainees will take on challenges together ("&") as they pursue their mutually shared dream of debuting ("Howling"). The trainees will have mentors by their sides. The mentors will support and evaluate the trainees as they work toward the dream together, one step at a time. After demonstrating their skills, growth, and ability to cooperate during each round, who will ultimately make their debut?

The game participants include three female Hong Kong celebrities, usually invited for their beauty or celebrity status, who are to cook for a panel of judges.

Ji Soon Young loses her husband, Wang Se Joon, in a tragic accident. She is left alone to take care of their adopted daughter. She meets and falls in love with Han Kyu Jin, who just happens to be the father-in-law to her former sister-in law, Wang Se Bin. Their lives changes when Soon Young marries Kyu Jin and becomes Se Bin's mother-in-law. They have to adjust to their new roles in their family and at the same time try to get along with each other.

After watching a high jump competition on TV, Lu Rui Xi was so inspired by a jumper named Zuo Yi Quan that she decides to transfer to his school, which happened to be an all-boys school; therefore, she disguises herself as a boy to get accepted. At the school, Rui Xi befriends Jin Xiu Yi. One day during a friendly soccer match, Rui Xi is knocked unconscious by Xiu Yi. Quan carries her to the infirmary and realizes that Rui Xi is in fact a girl! However, Quan keeps her identity a secret. At the same time, Xiu Yi starts to question his own sexual orientation when he finds himself having feelings towards Rui Xi.

Yan Fei is a young marketing director and Hai Qing dreams of studying art. Yan Fei has a boyfriend, Jimmy. Hai Qing is still single. When Hai Qing spots Yan Fei at a local swimming pool, he secretly takes a picture of the pretty young man. Through a series of unfortunate events the two end up talking to each other and Yan Fei decides to give Hai Qing his number, hoping they would meet again—the chemistry between them is instantaneous. But as chance or fate would have it, Hai Qing drops his phone in the swimming pool and he never gets the chance to call Yan Fei. Not long after, Hai Qing meets Ping Jun and the two start dating. However, this is only the beginning.

In 2013, Ko Osawa (Sho Sakurai) works as sous-chef at a first-class hotel. He cooks French cuisine. His job at the hotel requires him to cook for hundreds of customers, but Ko Osawa prefers to cook for a single customer. One day, he happens to see a pamphlet inquiring about a chef available to work at a diplomat office. Ko ends up taking the job and quits his job at the hotel. 2 years later, Ko now works as the chef at the Japanese Embassy in Vietnam. Ko then takes part in a cook-off against the chef at the French Embassy.