Employees at a Bennigan's-like restaurant (called, creatively enough, Shenanigan's), kill time before their real lives get started. But while they wait, they'll have to deal with picky customers who want their steak cooked to order and enthusiastic managers who want to build the perfect wait staff. Luckily, these employees have effective revenge tactics.

Lora Hart manages to land a job in a hospital as a trainee nurse. Upon completion of her training she goes to work as a night nurse for two small children who seem to be very sick, though something much more sinister is going on.

It's been ten years since the paths of René and François parted ways. From the glorious era when, as cops, they roamed the Montmartre district, they only have a handful of memories left, the money from their cronies having evaporated over time. Everything comes to an end. Until it starts again.

A part of the MuTe Track stories: Lea struggles to juggle her schedule of practicing as an idol trainee and secretly working a part-time job. Her mother's birthday is coming close so she works twice as hard in order to buy a present. However, her little sister accidentally catches what she has been hiding.

"Good son" Franck returns to his hometown to do a trainee managerial internship in the Human Resources department of the factory where his anxious, taciturn father has worked for 23 years.

A barber wants to marry his daughter to a scientist. He believes that he has found the proper candidate in the face of a trainee lawyer.

Mirae gets an offer of a K-pop trainee contract. She looks back on her short life and finds her past that would ruin her future career and reputation, as she dreams of becoming a k-pop star. Most of all, her ex-boyfriend, Jaemin, is the most worrisome. She starts to clear her past and sets out to find Jaemin.