Scientists have discovered and investigate the reason behind the behavior of sharks swimming around in gangs even though they are viewed as solitary predators.

Literature professor Jim Bennett leads a secret life as a high-stakes gambler. Always a risk-taker, Bennett bets it all when he borrows from a gangster and offers his own life as collateral. Staying one step ahead, he pits his creditor against the operator of an illicit gambling ring while garnering the attention of Frank, a paternalistic loan shark. As his relationship with a student deepens, Bennett must risk everything for a second chance.

In the slums of the upper West Side of Manhattan, New York, a gang of Polish-American teenagers called the Jets compete with a rival gang of recently immigrated Puerto Ricans, the Sharks, to “own” the neighborhood streets. Tensions are high between the gangs but two kids, one from each rival gang, fall in love leading to tragedy.

In a futuristic world, Michelle lives everyday battling with DNA Hackers who use their skills to hack into people’s bodies and kill them. She is an assassin, trying to keep her younger brother, Jackie, out of trouble. When Jackie gets involved in a petty crime of robbery, he propels himself into the world of DNA Hackers, Shylocks (Loan Sharks) and Gangs

A child abandoned in a subway coin locker is sold to a ruthless and calculating loan shark and gangster boss dubbed “Mother” (Kim Hye-soo), who runs an organ-harvesting ring in Incheon’s Chinatown. Named Il-Young (Kim Go-Eun), the baby girl grows into Mother’s loyal right-hand enforcer and is groomed to be her eventual successor. But when Il-Young’s loyalty to Mother wavers, the clash between the two unleashes a merciless tidal wave of blood-soaked retribution and strife.