A mysteriously stoic character is hired as a security guard by a cash truck company responsible for transporting a lot of money around Los Angeles each week.

The story involves Maverick confronting his past while training a group of younger Top Gun graduates, including the son of his deceased best friend, for a dangerous mission.

Woo Jin takes care of his son Ji Ho alone after his wife Soo A passed away. Before she passed away, she promised she would be back on a rainy day one year later. One year later, Soo A appears again, but she does not remember anything.