Hak-soo goes on three blind dates with three women who are unbearable drinkers.

Kang annoys So-hee again. And Ji-goo gets upset by the bad comment from a kid during her broadcast.

Turning 30: A Trio's Hilarious Tricks to Party Wisely!

After So-hee’s drunken kiss, secrets unravel between her and So-hyun.

Ji-goo and Ji-yeon end up going to the police station. So-hee goes to solve the problem after work.

The trio used to have ordinary jobs - a publishing company employee, a nutritionist, and a teacher.

Ji-yeon is demoted to the dog farm. Meanwhile, Ji-goo strives to help her student Se-jin.

Ten years later, the trio revisits their sashimi spot and relives college dates.

The trio visited the sushi place in Gyeongpodae in ten years. The picture that the hostess showed reminded them of their college dates. Even then, their dates were extraordinary.

So-hee's father suddenly passes away. Ji-yeon and Ji-goo visit the funeral to console So-hee.

Ji-goo has a dinner with her family. Ji-yeon finds something special in common with her boyfriend.

So-hee's feelings about Kang grow, but she soon witnesses the intern going to his house.

So-hee and Ji-goo grieve for Ji-yeon who has breast cancer. Soon, they help Ji-yeon fight cancer.