Madama Shim has four sons. Their names are Ki Baek, Lee Baek, Sam Baek, and Sa Baek. Madam Shim's eldest son, Ki Baek, falls in love with Goo Mi Ho, the daughter of her enemy, Goo Gook. Wang Sam Baek is the third son of Madam Shim. He becomes friends with Chae Soo Jung. His older brother Lee Baek falls in love with Soo Jung, a very pretty twenty-three year old hotel management student who studies at his mother's hotel. Things get complicated as Sam Baek finds himself falling for Soo Jung as well. Soo Young and Yu Ri both like the fourth son of Madam Shim, Sa Baek. But Sa Baek doesn't return their feelings and tries to ignore them at all costs.
Joon-soo is a tough 18 year old high school kid that loves to cause trouble. He often gets in fights, once with 17 other guys, but always comes out as the victor. Then one day Joon-soo's parents decides to go out of town. Joon-soo decides then and there to throw a party at his parent's home. He then goes shopping for groceries and comes upon an unexpected surprise. A little toddler sits in a shopping basket wearing the name tag "Han Wooram" and points to Joon-soo as his father!
He then takes the baby home and tries to find the baby's real parents. When he can't find the parents, Joon-soo even tries to abandon the baby but always fails. He then takes the kid to school which causes further scandal and a suspension. But during this time an unexpected event occurs between Joon-soo and Woo-ram…
Lee Moon Shik and Seo Young Hee are siblings who lost each other and then they both got amnesia. Young Hee went on to become a famous actress and her brother became a chef.
Lee Kang Hyun is a manager at a company that sets up people who have been divorced with dates. She meets a divorce attorney, Park Hyun Soo, and they begin a relationship with each other.
Lee Ae Ri and Han Min Gook are a couple who are in the process of getting their divorce. Han Min Gook is a wealthy man who maintains a million dollar fortune and his top actress wife, Ae Ri, files a 100 billion won lawsuit against him. Byun Hyuk is the lawyer that represents Ae Ri in her divorce suit against her husband while Woo Lee Kyung is the new lawyer who represents Min Gook. Though they don't get along with each other in the beginning because they each represent other clients, Byun Hyuk and Lee Kyung slowly fall for each other.
Kim Bum Sang is a arts scholar who is crazy about virgins and is a supervisor of property assets. Heo Cho Hwi is a 29 year old woman who is always mistaken as someone who is crafty because of her natural-born sexiness. The story will be about how these two cross paths and how their chance meeting will cause turmoil for the both of them.
A comedy romance drama about potential son in-laws who come finding their way to the doorsteps of their future wives because of fate. Jo Gi Dong is a guy who causes some chaotic situations when he aims to become the son in-law of a rich man portrayed by Joo Hyun. Han Mi Soo is a rich girl who falls for Gi Dong. Kim Seung Soo plays Mi Soo's first love in college.