Soo-jin begins to see the future after losing her memory. As she gradually pieces together the disjointed fragments of her confusing memories, she comes face-to-face with a shocking truth about her husband Ji-hoon.

Il-chul is one top of his game when it comes to playing poker. One day, he goes after one big score and takes out loans but loses everything and ends up with a massive debt. He's about to lose his hand for not being able to pay back the debt and barely saves become a poker shark himself, Il-chul begs 'One-eyed' to teach him everything he knows and joins 'One-eyed' team.

When an unknown toxic gas strikes Seoul in an unprecedented act of terror, Yong-nam has just met Eui-ju from college by chance at his mother's birthday banquet. The city falls under sudden noxious gas attack and together, they must escape the panic-stricken city.

A woman is attacked by Internet users after posting provocative remarks online. Using her personal information, they go to her place but what they find is her body; she took her own life. Who made her kill herself? Or, was she killed by someone else?

Along with his young son, Ji-ho, Woo-jin misses his wife Soo-a, who died after promising to return a year later with the rainy season. Miraculously, they reunite with Soo-a when the rainy season comes around, but she has no memory of her husband and son whom she dearly loved.

Two apathetic police academy recruits who become best buddies through the tough training together witness a woman being abducted right before their very eyes. As they were taught in the academy, they quickly report the incident to the police, but the police are in no hurry to jump on the case. So the duo decide to take the matter into their own hands and rescue the woman.