Replying...
Intro. Mirna, her boyfriend from college days, traveled for military service and remained alone. She was going to wait for her boyfriend to come, but by chance she met Jack one day, in a bar, and their relationship lasted a whole night. Mirna felt happy. But Myrna didn't know that Jack Sr. was her boyfriend, Jake, and Jack didn't know that Mirna was the girlfriend of his only son, Jake, but he discovered it after a while when Jake came and introduced them to each other.

Hi, I'm Jack .

@Haruto