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.

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.