On Haeundae Beach, a guilt-ridden fisherman takes care of a woman whose father accidentally got killed. A scientist reunites with his ex-wife and a daughter who doesn't even remember his face. And a poor rescue worker falls in love with a rich city girl. When they all find out a gigantic tsunami will hit the beach, they realize they only have 10 minutes to escape.

Yun-jeong, a skilled painter, disguises herself as a man in court to continue her family's legacy. Circumstances become difficult when her relationship with Kang-mu draws jealousy from the others.

North Korea's 8th Special Forces hijack a shipment of CTX, a potent new liquid explosive, and threatens South Korea as part of a plot to re-unify the two countries. Ryu and Lee, special agents of O.P., South Korea's secret intelligence service, attempt to track down the terrorists and find the CTX. Meanwhile Hee, the 8th's ultra-bad female sniper, resurfaces to wreak havoc and haunt Ryu.

Yeon Woo grew up happy in a loving family. One day, her father had died mysteriously, and her mother remarried a man who was 10 years younger than her. Misfortunes never come singly. Her mother died of Wilson’s disease and her step-father ran away with money. Min Ho, an old friend of hers, is always there to comforther. Min Ho decided to be a policeman to catch a murderer who killed Yeon Woo’s father. Eun Sup came back to Korea with the sole purpose of stopping his lover Soo Ah from getting married, but Soo Ah gave him an outright denial. To make matter wose, his father sent people over to his hotel to catch him. He ran away from the hotel and he accidentally fell into the subway track and became unconscious. Yeon Woo saw the whole scene in the platform and saved his life. Eun Sup asked her if he could stay in her place temporarily since he had no place to go. So Yeon Woo, Min Ho and Eun Sup all started living in a same house.

A woman facing financial struggles becomes obsessed with a former classmate who seems to have the perfect life, blurring the line between admiration and identity theft.